Nitrogen as an ecological factor : the 22nd symposium of the British Ecological Society, Oxford 1981 /
edited by J.A. Lee, S. McNeill, and I.H. Rorison.
- Oxford ; Boston : St. Louis, Mo. : Blackwell Scientific Publications ; Blackwell Mosby [distributor], 1983.
- ix, 470 p. : ill. ; 25 cm.