TY  - BOOK
AU  - Sacket,Gene P.
ED  - National Institute of Child Health and Human Development (U.S.).
ED  - University of Washington. Child Development and Mental Retardation Center.
TI  - Observing behavior: : proceedings of the conference, Application of observational/ethological methods to the study of mental retardation, held at Lake Wilderness, Washington in June, 1976 
T2  - NICHD-Mental retardation research centers series
SN  - 0839111673
PY  - 1978///
CY  - Baltimore
PB  - University Park Press
KW  - Mental retardation
KW  - Research
KW  - Congresses
N1  - Includes bibliographies and indexes; v. 1. Theory and applications in mental retardation.--v. 2. Data collection and analysis methods
ER  -