Aguatic weeds : The Ecology and management of nuisance aquatic vegetation - Arnold H. Pieterse; Kevin J. Murphy (Oxford Oxford University Press, 1990)
Arnold H. Pieterse & Kevin J. Murphy: Aguatic weeds : The Ecology and management of nuisance aquatic vegetation. Oxford. Oxford University Press, 1990. 0-19-854181-3--(632.58PIE)
ENGLISH