Magzine Name :International Environmental Technology, Frequency :Bimonthly
      Volume No       Year       Issue       Month
       13        2003        06        NOVEMBER
       13        2003        05        SEPTEMBER
       13        2003        04        JULY
       13        2003        03        MAY
       13        2003        03        MAY
       13        2003        02        MARCH
       13        2003        02        MARCH
       13        2003        01        JANUARY
       12        2002        06        NOVEMBER
       11        2002        06        NOVEMBER
       12        2002        05        SEPTEMBER
       11        2002        05        SEPTEMBER
       12        2002        04-2        JULY
       12        2002        04-1        JULY
       11        2002        03        MAY
       12        2002        03        MAY
       11        2002        02        MARCH
       12        2002        02        MARCH
       12        2002        01        JANUARY
       11        2001        04        JULY
       11        2001        01        JANUARY
       10        2000        06        NOVEMBER
       10        2000        05        SEPTEMBER
       10        2000        04        JULY
       10        2000        03        MAY
       10        2000        02        MARCH
       10        2000        01        JANUARY
       09        1999        06        NOVEMBER
       09        1999        05        SEPTEMBER
       09        1999        04        JULY
       09        1999        03        MAY
       09        1999        02        MARCH
       09        1999        01        JANUARY
       08        1998        06        NOVEMBER
       08        1998        05        SEPTEMBER
       08        1998        04        JULY
       08        1998        03        MAY
       08        1998        02        MARCH
       08        1998        01        JANUARY
       07        1997        06        NOVEMBER