TY  - BOOK
AU  - Gingell,Lesley P., x
AU  - x
TI  - The ABC's of the open classroom: x
SN  - x
U1  - 372.13/GIA 
PY  - 1973///
CY  - Illinois
PB  - ETC Pub.
KW  - Open plan School
N1  - x
ER  -