TY  - BOOK
AU  - KEYSER, Tamara J
TI  - Measurement and the childs environment
U1  - 372.35 K55M 
PY  - 1980///
PB  - Santa Monica, U.S.
KW  - WEIGHTS AND MEASURES -- STUDY AND TEACHING
KW  - METRIC SYSTEM -- STUDY AND TEACHING
ER  -