A petrified Williamsonia (W. sewardiana, sp. nov.) from the Rajmahal hills, India
By: by B. Sahni
Series: India. Geological Survey. Palaeontologia Indica. n.s -- v. 20, no. 3; Memoirs of the Geological Survey of India -- new ser., v. 20, no. 3.
Publisher: Government of India central publication branch
Published: 1932
Place of publication: Calcutta
Language: eng
Number of pages: 10
Subjects: Paleobotany
Notes: Bibliography: p. 17-19.