1. Alley, W.P. and R.F. Anderson, 1969, Small-scale patterns of spatial distribution of the Lake Michigan macrobenthos. Proc. 11th Conf. Great Lakes Rs. (1968) Intern. Ass. Great Lakes Res., 1–10.
2. Alsterberg, G., 1925, Arch. Hydrobiol. 15:291–338. Cited by M. Palmer in “Some aspects of the respiratory physiology of Tubifex in relation to its ecology” (1964) Ph.D. thesis Univ. of London.
3. Appleby, A.G. and R.O. Brinkhurst, 1970, Defecation rate of three tubificid Oligochaetes found in the sediment of Toronto Harbour, Ontario. J.Fish.Res. Bd. Can., 27:1971–1982.
4. Arthur, D.R., 1965, Form and function in the interpretation of feeding in lumbricid worms. Viewpoints in Biology, 4:204–251.
5. Arthur, D.R., 1972, Katabolic and Resource Pollution in Estuaries. Symposium on “Population and Pollution”. Eugenics Society. London 65–83.