000 00277nam a22001217a 4500
003 OSt
008 241016b |||||||| |||| 00| 0 eng d
082 _a370.1505
_bJ78
245 _aJournal of Educational Psychology vol.-71
260 _a1979
300 _a1
942 _2ddc
_cPER
999 _c46581
_d46581