000 00262nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a005
_bSCI.4
100 _aParasnis, M A
245 0 _aScience in action. V 4
260 _aDelhi
_bMacmillan
_c1977
942 _cBK
999 _c25105
_d25105