000 00278nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a001.8
_bWIL
100 _aWilson, B E
245 0 _aIntroduction to scientific research
260 _aNew York
_bMcGraw Hill
_c1952
942 _cBK
999 _c20455
_d20455