TY  - JOUR
T1  - Part of a Letter from Mr Antony van Leeuwenhoek, concerning the Worms in Sheeps Livers, Gnats, and Animalcula in the Excrements of Frogs
JF  - Philosophical Transactions (1683-1775)
VL  - 22
SP  - 509
EP  - 518
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1700.0013
M3  - doi:10.1098/rstl.1700.0013
AU  - van Leeuwenhoek, A.
ER  -