TY  - BOOK
AU  - Hayes-Roth,Frederick
AU  - McDermott,John W
ED  - Research and Development Corporation, 
TI  - Knowledge acquisition from structural descriptions
T2  - The Rand paper series
PY  - 1976///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Information retrieval
N1  - Includes bibliographical references (pages 61-64)
ER  -