000 00336pam a2200133a 44500
082 _a501
_bW153n
100 _aWalker, Marshall John
245 1 _aTHE NATURE OF SCIENTIFIC THOUGHT
260 _aEnglewood Cliffs, N. J.
_bPrentice-Hall
_c1963
300 _a184
650 _aScience. Philosophy
964 _gCIRC
997 _a50666 C
999 _c426731
_d426731