BOLOKHONTSEV, E.N.
1911
Botanical-biological studies of Lake Ladoga
In Lake Ladoga as a water supply source for the city of S. Petersburg. Sanitary part. Commission on surveys and studies of Lake Ladoga and its key sources. Saint Petersburg: municipal printing house
Pp. 171-585

[Russian] c.f. http://dlib.rsl.ru/viewer/01003532879#?page=5

Keyboarded taxa: 12