TY  - BOOK
AU  - George R Tracy
TI  - Modern physical science
T2  - The Holt physical science program
SN  - 0030073812
AV  - Q161 .B77 1965
PY  - 1966///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Science
KW  - Technology
N1  - Includes bibliographies
ER  -