1. Allee, W. C., A. E. Emerson, O. Park, T. Park & K. P. Schmidt 1949. Principles of Animal Ecology. W. B. Saunders, London, 837 pp.
2. Andersen, F. S., 1937. Ueber die Metamorphose der Ceratopogoniden und Chironomiden Nordost-Grönlands. Medd. Grønl. 116(1): 1?95.
3. Andersen, F. S., 1946. East Greenland lakes as habitats for chironomid larvae. Studies on the systematics and biology of Chironomidae. II. Medd. Grønl. 100(10): 1?69.
4. Andrews, D. & F. H. Rigler, 1985. The effects of an arctic winter on benthic invertebrates in the littoral zone of Char Lake, Northwest Territories. Can. J. Zool. 63: 2825?2834.
5. Ankar, S., A.-B. Andersin, J. Lassig, L. Norling & H. Sandler, 1979. Methods of studying benthic macrofauna, an intercalibration between two laboratories in the Baltic Sea. Finn. mar. Res. 246: 147?160.