000 00297nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a002.24583
_bBAG
245 0 _aPhysical sciences. 10 V
260 _aLondon
_bApplied science
_c1970
700 _aBagg, W L
700 _aPorter, G
942 _cBK
999 _c36868
_d36868