TY  - BOOK
AU  - karl U Smith
AU  -  Margaret F Smith, 
TI  - Cybernetic Principles of Learning and educational design
U1  - 153.15 
PY  - 1966///
CY  - New York
PB  - Holt Rinehart & Winson
N1  - karl U Smith & Margaret F Smith: Cybernetic Principles of Learning and educational design.  New York.  Holt Rinehart & Winson, 1966.--(153.15SMI)
ER  -