Proposal of a maturity stages scale for oviparous and viviparous cartilaginous fishes (Pisces, Chondrichthyes). Archive of Fishery and Marine Research, 50 (1): 23-48
A Collation and summarization of available data on deepwater Chondrichthyans: Biodiversity, life history and fisheries. Biodiversity, Life History and Fisheries IUCN SSC Shark Specialist Group for the Marine Conservation Biology Institute, 1-137.
A DNA sequence based approach to the identification of shark and ray species and its implications for global elasmobranch diversity and parasitology. Bulletin of the American Museum of Natural History, 367: 262 pp., 102 figures, 5 tables