TY - BOOK AU - Varshney, C K (Ed.) AU - Rzoska, J (Ed.) TI - Aquatic weeds in South East Asia: proceedings of a regional seminar on Noxious Aquatic vegetation, New Delhi, 12-17 December 1973 SN - 90-6193-556-3 U1 - 581.5263 21st PY - 1976/// CY - The Hague PB - W Junk B V KW - Aquatic weeds-Asia, Southeastern; Aquatic pests-Asia, Southeaster ER -