00383nam a22001337a 4500008004100000040005500041080002100096245002400117260004500141300001100186650001200197653001200209700002800221230623b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 620.91(73)bL7  aEnergy source book   aUSA: bAspen Systems Corporation, c1977  a724p.   aEnergy   aSource   aMcrae, Alexander (Ed.)