000			00353nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0-13-208231-4
041			_aen
082			_a155.2
100			_aLiebert . Robert .M
245		0	_aDevelopmental Psychology
250			_a2nd
260			_aLondon _bAmerica _c1977
300			_a572.P
942			_cLL
999			_c2403 _d2403