TY  - BOOK
AU  - Leont'ev A.N.
AU  - Leont'ev A.N.
TI  - Activity, Consciousness, and Personality
SN  - 0-13-003533-0
U1  - 150.19 
PY  - 1978///
CY  - New Jesey
PB  - Prentice-Hall, Inc.
ER  -