00398nam a2200157Ia 4500008004100000020000900041035000800050082002200058100003500080245004800115250000600163260004700169300000800216500001000224650000600234210723s9999||||xx |||||||||||||| ||und||  aNULL  a966  a301.15BFES / KAT  aFestinger, Leon / Katz, Daniel 0aResearch Methods In The Behavioral Sciences  a-  aN. DelhibAmerind Publishing Co. Pvt. Ltd.  a660  a11449  a-