@booklet {7907,
	title = {Jurassic system of Russia: problems of stratigraphy and paleogeography. Proceedings of the Third all-Russian Meeting. Saratov. Saratov, Saratov State University, September 23-27},
	year = {2009},
	note = {PDFIn Russian},
	pages = {283},
	publisher = {Nauka},
	address = {Saratov},
	keywords = {biogeography, fossil record, mollusca, oxytomidae, stratigraphy},
	author = {Zakharov, V. A.}
}
