000 00308pam a2200133a 44500
082 _a500
_bAn38u
100 _aAnfinson, Olaf P.
245 1 _aUNDERSTANDING THE PHYSICAL SCIENCES
260 _aBoston
_bAllyn And Bacon
_c1963
300 _a456
650 _aScience
964 _gCIRC
997 _a50523 C
999 _c425145
_d425145