Ecological problems of Lake Ladoga: causes and solutions
Valentina G. Drabkova, Vladislav A. Rutnyantsev, Lidiya V. Sergeeva, Tatyana D. SlepukhinaVolume:
322
Language:
english
Pages:
7
DOI:
10.1007/bf00031798
Date:
April, 1996
File:
PDF, 476 KB
english, 1996