Palframan, D. F. B. (1969). Taxonomy of sexual dimorphism in ammonites: Morphogenetic evidence in hecticoceras brightii (pratt). [s.l.]: [s.n.].
Chicago Style CitationPalframan, D. F. B. Taxonomy of Sexual Dimorphism in Ammonites: Morphogenetic Evidence in Hecticoceras Brightii (pratt). [s.l.]: [s.n.], 1969.
MLA CitationPalframan, D. F. B. Taxonomy of Sexual Dimorphism in Ammonites: Morphogenetic Evidence in Hecticoceras Brightii (pratt). [s.l.]: [s.n.], 1969.
Warning: These citations may not always be 100% accurate.