1. Adamson, A. Phylogenetic analysis of the higher classification of the nematoda. Can. J. Zool. 65: 243–255 (1987).
2. Adamson, M.L. Modes of transmission and evolution of life histories in zooparasitic nematodes Can. J. Zool. 64: 1375–1384 (1986).
3. Adamson, M.L. Evolutionary biology of the Oxyurida (Nematode): biofacies of a haplodiploid taxon. Adv. Parasitol. 28: 175–228 (1989).
4. Agrawal, M.C. and Shah, H.L. A review on Schistosoma incognitum Chandler, 1926. Helminthol. Abstr. 58: 239–251 (1989).
5. Anderson, R.C. Host-parasite relations and evolution of the Metastrongyloidea (Nematoda). Mem. Mus. Natl. Hist. Nat. Ser. A. Zool. 123: 129–132 (1982).