Guidelines of lake management, principles of lake management
Guidelines of lake management : principles of lake management / S. E. Jorgensen, R. A. Vollenweider, ed. lit..
- Otsu : International Lake Environment Comitee : United Nations Environment Programme , cop. 1989 .
- 199 p. : il. ; 24 cm.
ISBN
Lagos
Lagos
LCC GB1601.7
ISBN
Lagos
Lagos
LCC GB1601.7