00445 2200157 4500001002100000008003900021035002000060245006200080100002400142260003100166300002400197084001800221082001200239650002200251990001400273INLIS000000000000400 N  a0010-0317000398 aAlternative energy sources : a strategy planning guide... aSheahan, Richard T. bAn Aspen Publicationc1981 aix, 252 hlm.c24 cm a621.042 She a a621.042 aTENAGA (MEKANIKA) a296387212