000 00414namaa2200157 4500
999 _c77636
_d77636
007 BK
008 210902s1960 enka g 000 0 eng
082 _a007
_bFRE N50P
100 1 _aFreedman, Paul.
245 0 4 _aThe principles of scientific research /
_cPaul Freedman
250 _a2d ed.
260 _aOxford,
_aNew York,
_bPergamon Press
_c[1960]
300 _a227 p.
_c24 cm.
650 0 _aResearch.
999 _$ms