000 00631nam a2200241Ia 4500
003 HQRS
005 20170222022636.0
008 150617s1960 xx 000 0 eng d
040 _aHQRS
_beng
_cHQRS
041 _heng
080 _b5:001.891 K0
100 _aFreedman, Paul
245 _aPrinciples of scientific research
250 _a2nd ed.
260 _bPergamon Press,
_aNew York:
_c1960
300 _axvii, 228p.;
_c20cm.
500 _aIncludes bibliographical references and index
650 _aScience
_xResearch
650 _aResearch
650 _aResearch
_xPhilosophy
365 _aINR
942 _2udc
_cBK
999 _c2651
_d2651