The two general activation systems of affect: Structural findings, evolutionary considerations, and psychobiological evidence (1999)

by D Watson, D Wiese, J Vaidya, A Tellegen
Venue:I N T E R N A T I O N A L J O U R N A L O F P U B L I C O P I N I O N R E S E A R C H14 at Pennsylvania State U niversity on Septem ber