TY  - BOOK
AU  - Klahr,David
TI  - Cognition and instruction
SN  - 0470152265
PY  - 1976///
CY  - Hillsdale, N.J.
PB  - Lawrence Erlbaum Associates
KW  - Learning, Psychology of
KW  - Cognition
N1  - Includes index; Bibliography : p. 333-348
ER  -