Magzine Name :Bulk Solids Handling, Frequency :Bimonthly
      Volume No       Year       Issue       Month
       07        1987        06        JUNE
       07        1987        04        APRIL
       06        1986        06        MAY
       06        1986        02        MARCH
       05        1985        05        MAY
       05        1985        03        MAY
       05        1985        02        MARCH
       04        1984        03        MARCH