TY  - BOOK
AU  - Martin,Paul D.
TI  - Science: it's changing your world 
SN  - 0-87044-516-2
U1  - Ref. 500 M379 1986 
PY  - 1986///
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Science
N1  - Includes index
ER  -