Kungliga Svenska vetenskapsakademiens handlingar ... Kungl. Svenska vetenskapsakademien Published: 1928 Total Pages: 1294 Get eBook
Some seed-bearing pteridosperms from the Permian of China T. G. Halle Published: 1929-03-09 Total Pages: 36 Get eBook
On Drepanophycus, Protolepidodendron and Protopteridium, with notes on the Palaeozoic flora of Yunnan Thore Gustaf Halle Published: 1936-06-01 Total Pages: 47 Get eBook
Permian plants from the Lungtan coal-field, Kiangsu, China Shimakura Misaburo Published: 1940 Total Pages: 52 Get eBook
