TY  - JOUR
T1  - Observations on the Aphides of Linnaeus, by Dr. William Richardson, of Ripon, Yorkshire: Communicated by William Heberden, M. D. F. R. S.
JF  - Philosophical Transactions (1683-1775)
VL  - 61
SP  - 182
EP  - 194
PY  - 1771/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1771.0022
M3  - doi:10.1098/rstl.1771.0022
AU  - Richardson, W.
AU  - Heberden, W.
ER  -