Aquatic weeds in South East Asia
Aquatic weeds in South East Asia proceedings of a Regional Seminar on Noxious Aquatic Vegetation edited by C. K. Varshney and J. Rzoska - The Hague Junk 1976 - XIII, 396 S Ill., graph. Darst., Kt
9061935563
Aquatic weeds
632.51(28)(59)(063) / V333A