Magzine Name :Air Safety, Frequency :Monthly
      Volume No       Year       Issue       Month
       24        1989        01        JULY
       23        1989        12        JUNE
       23        1989        10        APRIL
       23        1989        09        MARCH
       23        1988        06        DECEMBER
       23        1988        05        NOVEMBER
       23        1988        04        OCTOBER
       23        1988        03        SEPTEMBER
       23        1988        02        AUGUST
       23        1988        01        JULY
       22        1988        12        JUNE
       22        1988        11        MAY
       22        1988        10        APRIL
       22        1988        09        MARCH
       22        1988        08        FEBRUARY
       22        1988        07        JANUARY
       22        1987        06        DECEMBER
       22        1987        05        NOVEMBER
       22        1987        04        OCTOBER
       22        1987        03        SEPTEMBER
       22        1987        02        AUGUST
       22        1987        01        JULY
       21        1987        12        JUNE
       21        1987        11        MAY
       21        1987        10        APRIL
       21        1987        09        MARCH
       21        1987        08        FEBRUARY
       21        1987        07        JANUARY
       21        1986        06        DECEMBER
       21        1986        05        NOVEMBER
       21        1986        04        OCTOBER
       21        1986        03        SEPTEMBER
       21        1986        02        AUGUST
       21        1986        01        JULY
       20        1986        12        JUNE
       20        1986        11        MAY
       20        1986        09        MARCH
       20        1986        08        FEBRUARY
       20        1986        07        JANUARY
       20        1985        06        DECEMBER
       20        1985        05        NOVEMBER
       20        1985        04        OCTOBER
       20        1985        03        SEPTEMBER
       20        1985        02        AUGUST
       20        1985        01        JULY
       19        1985        12        JUNE
       19        1985        11        MAY
       19        1985        10        APRIL
       19        1985        07        JANUARY
       19        1984        06        DECEMBER
       19        1984        04        OCTOBER
       19        1984        03        SEPTEMBER
       19        1984        02        AUGUST
       19        1984        01        JULY
       18        1984        12        JUNE
       18        1984        11        MAY
       18        1984        10        APRIL
       18        1984        09        MARCH
       18        1984        08        FEBRUARY
       18        1984        07        JANUARY
       18        1983        06        DECEMBER
       18        1983        05        NOVEMBER
       18        1983        04        OCTOBER
       18        1983        03        SEPTEMBER
       18        1983        02        AUGUST
       17        1983        07        JANUARY
       17        1982        06        DECEMBER
       17        1982        05        NOVEMBER
       17        1982        04        OCTOBER
       17        1982        02        AUGUST
       17        1982        01        JULY
       16        1982        12        JUNE
       16        1982        11        MAY
       16        1982        10        APRIL
       16        1981        06        DECEMBER
       16        1981        05        NOVEMBER
       16        1981        04        OCTOBER
       16        1981        03        SEPTEMBER
       16        1981        02        AUGUST
       16        1981        01        JULY
       15        1981        12        JUNE
       15        1981        10        APRIL
       15        1981        09        MARCH
       15        1981        08        FEBRUARY
       15        1981        07        JANUARY
       15        1980        06        DECEMBER
       15        1980        05        NOVEMBER
       15        1980        03        SEPTEMBER
       15        1980        02        AUGUST
       14        1980        12        JUNE
       14        1980        11        MAY
       14        1980        09        MARCH
       15        1980        01        JANUARY
       14        1979        06        DECEMBER
       14        1979        05        NOVEMBER
       14        1979        04        OCTOBER
       14        1979        01        JULY
       13        1979        12        JUNE
       14        1979        10        APRIL
       14        1979        09        MARCH
       13        1979        08        FEBRUARY
       13        1979        07        JANUARY