T. H. Blackburn and J. Sørensen, (Editors), Nitrogen Cycling in Coastal Marine Environments (Proceedings from a SCOPE Symposium held at the University of Aarhus, 3–7 June 1985). XXV + 451 S., 144 Abb., 54 Tab. Chichester — New York — Brisbane — Toronto — Singapore 1988. John Wiley and Sons. £ 55.00 ISBN: 0–471–91404–5