00282nam a2200109 a 450000500170000008200180001710000230003524500390005826000320009730000230012963000200015220251202164309.0  a333.7903bPAR  aParker,  Samuel P.  aMcGraw-Hill encyclopedia of energy  aNew YorkbMcGraw Hillc1983  a838 p.c24 cm.bHB  aPower resources