Scientists & inventors
Presents 160 chronologically arranged biographies of scientists and inventors with emphasis on their particular contributions to the progress of mankind.
| Príomhchruthaitheoirí: | , |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
New York
Facts on File
c1979.
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| Ábhair: |