TY  - BOOK
AU  - Simon, Anita.
AU  - Boyer, E. Gil.
TI  - Mirrors for behavior: an anthology of observation instruments 
U1  - Q 370.15 SIM 
PY  - 1970///
CY  - Philadelphia
PB  - Research for Better Schools, Inc.
KW  - Educational psychology
N1  - Classroom Interaction Newsletter, Special edition, spring 1970
ER  -