Ladozhskoe ozero
Subtitle: sovremennye problemy : v pomoshchʹ lektoru
By: B.L. Gusakov.
Publisher: Ob-vo "Znanie" RSFSR, Leningradskai͡a︡ organizat͡s︡ii͡a︡
Published: 1990
Place of publication: Leningrad
Language: rus
Number of pages: 31
Subjects: Water -- Pollution -- Russia (Federation) -- Ladoga Lake.
Notes: Includes bibliographical references (p. [32]).