000 00277nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _a370.72 KER-F
100 _aKERLINGER, FRED N.
245 0 _aFOUNDATIONS OF BEHAVOURAL RESEARCH
260 _bSURJEET PUB.
_c2014
942 _cREF
999 _c3145
_d3145