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- Author(s):
- Frey, Heinrich, 1822-1890, author
- Publication:
- New York : William Wood & Company, 1880
- Subject(s):
- Microscopy
Microscopy -- methods
- Author(s):
- Frey, Heinrich, 1822-1890, author
- Publication:
- New York : G.P. Putnam's Sons, 1879
- Subject(s):
- Histology