000 00492nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a371.26
_bRb-69-56
100 _aLamm Helmut
245 _aPessimism optimism and risk taking in individual and group contexts
260 _aNew Jersey
_bETS
_c1969
440 _aEducational Testing Service. Princeton : Research bulletin; 56
650 _aEducational tests and measurements
942 _cBK
999 _c92608
_d92608