Magzine Name :Pipe Line Industry, Engineering, Construction Operation Of Pipe Line, Frequency :Monthly
      Volume No       Year       Issue       Month
       56        1982        06        JUNE
       57        1980        02        AUGUST
       53        1980        05        JULY
       57        1980        01        JULY
       53        1980        04        JUNE
       52        1980        05        MAY
       52        1980        04        APRIL