@misc{Clark_Edgar_James_(?-1945)_Colour_1943, author={Clark, Edgar James (?-1945)}, copyright={Public Domain}, journal={Publications of famous biologists - a collection of prints}, address={[London]}, howpublished={online}, year={1943}, publisher={[unknown]}, language={eng}, type={Text}, title={Colour variation in British Acrididae (Orthopt.)}, URL={http://rcin.org.pl./Content/142245/PDF/WA488_177413_19746_s1653.pdf}, keywords={Insects (Acrididae, Orthoptera), Insects (Acrididae, Orthoptera) - graphic description of color forms, Insects (Acrididae, Orthoptera) - color interpretation}, }