TY  - BOOK
AU  - Suplee,Curt
TI  - Milestones of science
SN  - 0-7922-7906-9
PY  - 2000///
CY  - Washingron, D. C.
PB  - National Gepgraphic Society
KW  - Science--History
N1  - D., 4/01
ER  -