Kardos Lajos - Pléh Csaba (szerk.): Problems of the regulation of activity. Proceedings of the 4th Meeting of psychologists from the Danubian countries, Visegrád (Budapest, 1980)
OF THE C OF ACTIVITY Edited by LAJOS KARDOS and CSABA PLÉH 4th Mooting of Psychologists from tho Danubian Countries Visegrdd, Hungary AKADÉMIAI KIADÓ, BUDAPEST