TY  - BOOK
AU  -  Ford,Renâee G.
AU  -  Cullman,Ralph E.
TI  -  Dimensions, units, and numbers in the teaching of physical sciences / 
U1  -  530.7 FOR 
PY  - 1959///
CY  -  New York : 
PB  -  Bureau of Publications, Teachers College, Columbia Uni versity, 
KW  -  Physical measurements
ER  -