TY - JOUR T1 - Part of some Letters from Mr Anthony van Lewuenhocck, F. R. S. to the Royal Society, and the Right Honourable the Lord Somers Their President, Containing Several Microscopical Observations and Experiments concerning the Animalcula in Semine Masculino of Cocks and Spiders, Shortness of Breath, etc JF - Philosophical Transactions (1683-1775) VL - 23 SP - 1137 EP - 1151 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1702.0015 M3 - doi:10.1098/rstl.1702.0015 AU - van Lewuenhoeck, A. ER -