000 00475cam a2200169ua 4500
041 _aeng
_h
082 _a371.3
_bRIC/ME
100 _aRichardson, John S .
245 _aMethods and materials for teaching general and physical science /
_cJohn Richardson S.
_hTextual Documents
260 _aNew York :
_bMcGraw Hill Book Company ,
_c1951.
300 _a485 ; .
500 _a**Reference
504 _a
700 1 _aCahoon, G.P .
942 _cBK
999 _c7929
_d7929