TY  - BOOK
AU  - Powers, Samuel Ralph
AU  - Neuner, Elsie Flint. 
AU  - Bruner, Herbert Bascom. 
TI  - Using our world
U1  - FOR 500 P87u 1941  
PY  - 1941///
CY  - Boston
PB  - Ginn and Company
KW  - Science.
N1  - Includes index
ER  -