000 00289nam a2200109Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
100 _aVergara William C.
_922584
245 0 _aScience In The World Around Us
260 _bHarper & Row, Publishers
_c1973
300 _a250
942 _cBK
_pCL
999 _c155667
_d155667