Nutrient reconstructions in standing waters : final report /
Bennion, Helen.
Monteith, D. T.
Appleby, P. G.
University College, London.Environmental Change Research Centre.
ENSIS Limited (Firm)
London : University College, London, Environmental Change Research Centre,
1997.
"A report to English Nature by Ensis Ltd. on contract no. F80-11-02."