1. Addy, J. M., D. Levell and J. P. Hartley: Biological monitoring of sediments in ekofisk oilfield. In: Proc. Conf. ?Assessment of ecological impacts of oil spills?, Keystone Colorado, June 1978. Am. Inst. Biol. Sci. pp 514?539 1978
2. Aneer, G.: A two year study of the Baltic herring in the Askö-Landsort area, 1970?1972. Contrib. Askö Lab. Univ. Stockholm 8, 1?36 (1975)
3. Aneer, G. and S. Nellbring: A SCUBA diving investigation of Baltic herring (Clupea harengus membras L.) spawning grounds in the Askö-Landsort area, northern Baltic proper. J. Fish Biol. 21, 433?442 (1982)
4. Aneer, G., A. Lindquist and L. Westin: Winter concentrations of Baltic herring (Clupea harengus var. membras L.). Contrib. Askö Lab. Univ. Stockholm 21, 1?19 (1978)
5. Andersin, A.-B., J. Lassig, L. Parkkonen and H. Sandler: Long-term fluctuations of the soft bottom macrofauna in the deep areas of the Gulf of Bothnia 1954?1974; with special reference to Pontoporeia affinis Lindström (Amphipoda). Finn. mar. Res. 244, 137?144 (1978)