000 00378nam a2200145Ia 4500
008 150522s1981||||xx |||||||||||||| ||und||
020 _a8.94434e+008
082 _a621.042
100 _aSheahan, Richard T.
245 _aAlternative energy sources
_cSheahan, Richard T.
250 _a-
260 _aMaryland
_b An Aspen Publication
_c1981
300 _aix, 252 p.
942 _cC
999 _c29973
_d29973