00342nam a2200121Ia 4500008004100000040003800041100001600079245004200095250000600137260004500143300001700188653001500205211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aMeasurement 0aMeasurement: definitions and theories  a1  bJohn Wiely and Sons, IncaNew Yorkc1959  aviii, 274 p.  aPsychology