000 00420cam a2200181ua 4500
020 _c7.40
041 _aeng
_h
082 _a501
_bSWA/IN
100 _aSwallow, A .
245 _aIntroductory general science /
_cA Swallow.
_hTextual Documents
250 _a1 /
_b.
260 _aLondon :
_bLongman ,
_c1960.
300 _a232 ; .
365 _a7.40
504 _a
942 _cBK
999 _c263994
_d263994