000			00315nam a22001337a 4500
020			_a710064918
050			_aMED. BF723.M6 _bP53
100			_aPiget, J.
245			_aChild's conception of movement and speed
260			_aLondon _bRootledge _c1970
300			_axi, 306p.
650			_aChild movement
942			_cBK
999			_c12527 _d12527