000 00270nam a2200109Ia 4500
008 221001s1980 xx 000 0 eng d
082 _a551.2 ENE
245 0 _aEnergy and environment
260 _aSan Francisco
_bW. H. Freeman
_c1980
300 _a231p.
942 _2ddc
_cBK
999 _c49161
_d49161