00277nam a2200097Ia 4500008004100000082001800041100004200059245004000101264002800141300001000169200527s9999||||xx |||||||||||||| ||und||  a152.334 CHA K  aChaney, Clara M. , Kephart, Newell C. 0aMotoric Aids to Perceptual Training  bCharles E Merrillc1968  a138p.