000			00562cam a2200181 4500
020			_a0127317503
050	0	0	_aMED QH508 _b.E27
245	0	0	_aEarly childhood: the development of self-regulatory mechanisms.
260			_aNew York, _bAcademic Press, _c1971.
300			_axviii, 249 p. _bill.
500			_aProceedings of a conference held at Pennsylvania State University, Jan. 1970.
650		0	_aBiological control systems
650		0	_aInfants
650		0	_aChild development
700	1		_aWalcher, Dwain N.,
700	1		_aPeters, Donald L.,
942			_cBK
999			_c2679 _d2679