000 00289nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a053
_bBEL
100 _aBelloli, Robert C
245 0 _aOur impact on our world: Contemporary physical science
260 _bMacmillan
_c1978
942 _cBK
999 _c29704
_d29704