TY  - JOUR
T1  - Observations upon a Foetus, and the Parts of Generation of a Sheep. In a Letter to the Royal Society, from Mr. Leeuwenhoek, F. R. S. Translated from the Dutch by Dr. Sprengell, F. R. S.
JF  - Philosophical Transactions (1683-1775)
VL  - 32
SP  - 151
EP  - 156
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1722.0027
M3  - doi:10.1098/rstl.1722.0027
AU  - Leeuwenhoek, M.
AU  - Sprengell, D.
ER  -