Stebli morskikh lilii kamennougolnykh, permskikh i triasovykh otlozhenii Yuzhnogo Kitaya [Crinoid stems of the Carboniferous, Permian, and Triassic deposits of southern China]
Yu. A. Dubatolova, and
C. Shao
1959
Article
Acta Palaeontologica Sinica
7(1):41-83
Find it at: