Magzine Name :Energy Conversion And Management, An International Journal, Frequency :Quarterly
      Volume No       Year       Issue       Month
       31        1991        02        APRIL
       31        1991        01        JANUARY
       29        1989        04        OCTOBER
       29        1989        02        APRIL
       28        1988        04        OCTOBER
       28        1988        03        JULY
       28        1988        02        APRIL
       28        1988        01        JANUARY
       27        1987        04        OCTOBER
       27        1987        03        JULY
       27        1987        02        APRIL
       27        1987        01        JANUARY
       26        1986        04        OCTOBER
       26        1986        03        JULY
       26        1986        02        APRIL
       26        1986        01        JANUARY
       20        1980        01        JANUARY