Magzine Name :Journal Of The Prestressed Concrete Institute, Frequency :Bimonthly
      Volume No       Year       Issue       Month
       20        1975        05        SEPTEMBER
       20        1975        03        MAY
       19        1974        06        NOVEMBER
       19        1974        04        JULY
       19        1974        02        MARCH
       18        1973        04        JULY
       07        1962        05        OCTOBER
       07        1962        04        AUGUST
       07        1962        03        JUNE
       07        1962        02        APRIL
       07        1962        01        FEBRUARY
       06        1961        04        DECEMBER
       06        1961        03        SEPTEMBER
       06        1961        02        JUNE
       06        1961        01        MARCH
       05        1960        04        DECEMBER
       03        1958        01        JUNE
       02        1958        04        MARCH
       02        1957        03        DECEMBER
       02        1957        02        SEPTEMBER
       02        1957        01        JUNE
       01        1957        04        MARCH
       01        1956        03        DECEMBER
       01        1956        02        SEPTEMBER
       01        1956        01        MAY