000 00321nam a2200121Ia 4500
008 170101s1980 xx 000 0 und d
082 _a333.97 BAL
100 _aBalnc, A.
245 0 _aMankind & Energy Needs. Resources Hopes
260 _aAmsterdam
_bElsevier Scie. Pub.
_c1980
300 _a713 p.
942 _2ddc
_cEG
999 _c1887466
_d1887466