@article{ERMS:SourceID:152769, author = {Beklemishev, V. N.}, journal = {in Russian]. - Uspekhi Sovremennoy Biologii}, pages = {256-270}, title = {Toward the building of system of animals. Deuterostomia, their origin and composition}, url = {http://marbef.org/data/aphia.php?p=sourcedetails&id=152769}, volume = {32}, year = {1951} }