000 00307nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a155.5
_bVAI
100 _aVaidya ,Narendera
245 _aGrowth of logical thinking in science during adolescence.
260 _bOxford & IBH Publishing
_aNew Delhi
_c1979
999 _c140377
_d140377