TY  - BOOK
AU  - Pella,Milton O.
AU  - Wood,Aubrey G.
TI  - Physical science for progress
U1  - 500 
PY  - 1964///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Science
KW  - Physical sciences
KW  - Radio activity
ER  -