000			00475nam a2200157Ia 4500
008			190328s9999||||xx |||||||||||||| ||und||
040			_aNITIL _cNITIL
082			_221st _a370.15 _bV157D
100			_aValentine, C W
245		4	_aThe Difficult child and the problem of discipline _cC W Valentine
250			_a5th
260			_aLondon _bMethuen _c1950
300			_aviii, 106p.
650			_aJuvenile delinquenty; Conduct disorder in children; School violence
942			_cBKS
999			_c30326 _d30326