00298nam a2200109 a 450000500170000002000150001708200170003210000200004924500590006926000390012830000210016720251203091217.0  a0803927657  a174.915bCLA  aClark, Henry B.  aAltering BehaviorbThe Ethics of Controlled Experience  aNew DelhibSage Publicationsc1987  a235p.c22 cm. HB