00381nam a22001337a 450000500170000000800410001702000150005805000220007310000220009524500480011725000080016526000470017330000270022020260311123634.0260311b        |||||||| |||| 00| 0 eng d  a0030064260  aBF 311. D44b1979  aDember N. William  aPsychology of perceptioncWilliam N. Dember  a2nd  aNew YorkbHolt, Rinehart and winstonc1979  aviii, p.536.:ill.bHbk