000 00299nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a500.72 F853
100 _aFREEDMAN,P
245 0 _aPRINCIPLES OF SCIENTIFIC RESEARCH
260 _bPERGAMON PRESS, LONDON
_c1960
300 _a23X15
942 _cBK
999 _c62053
_d62053