At: Proceedings of the Indian Science Congress, 21 By: Sahni B.
journalAt: Proceedings of the Indian Science Congress, 21 By: Sahni B., Srivastava B. P.
journalAt: Proceedings of the Indian Science Congress, 21 By: Sahni B., Rao H. S.
bookAt: Silur. Syst., London, John Murray, 1839, 1 By: Murchison R. I.
bookAt: Silur. Syst., London, John Murray, 2 By: Murchison R. I.
journalAt: Publications of the Carnegie Institution of Washington, 553 By: Axelrod D. I.
journalAt: Taxon, 44, 3 By: Feist M., Wang Z.
journalAt: Věstník Královské České Společnosti Nauk, Class, Třida matematicko-přírodovědecké, 1937, [19] By: Němejc F.
journalAt: Bulletin / Department of Geology, Mines and Water Resources, Board of Natural Resources, State of Maryland, 27 By: Brenner G. J.
journalAt: Transactions and Proceedings of the Botanical Society of Edinburgh, 35, 3 By: Knox E. M.