Ultrastructural Studies on Graptolites, 1
Subtitle: the Periderm and Its Derivatives in the Dendroidea and in Mastigograptus.
Contributors: Urbanek, A.; Towe, K.M.
Series: Smithsonian contributions to paleobiology -- 20
Publisher: s.n
Published: 1974
Place of publication: S.l
Language: eng
Notes: 1