@book {5318, title = {Principles of comparative anatomy of invertebrates. Vol. 1. Promorphology. Vol. 2. Organology. Translated by JM MacLennan.}, year = {1969}, month = {1969}, pages = { - 490 + 530 pp}, publisher = {Univ. Chicago Press}, organization = {Univ. Chicago Press}, address = {Chicago}, keywords = {Convoluta adaica, Hofstenia atroviridis, Hofstenia viridis}, author = {Beklemischev,VN} }