TY  - BOOK
AU  - Nerbovig, Marcella Hannah,
AU  - Klausmeier, Herbert J.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 60447869
SN  - 2
PY  - 1974///46
CY  - New York
PB  - Harper & Row
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Elementary school teaching
N1  - Includes bibliographies; 5
ER  -