Laboratory investigations of plane percolation in plan for determination of interrelations between groundwater flow and hydraulic structures , comparison of some results obtained from theses investigations with those obtained from field observations , communication to the Sixth Congress on Large dams, New York, 1958

By by Aravin, Prof. Dr. of techn. science.
Ленинград [s. n.] 1958 .
12 с. , Без тит. л. и обл. | Рез. на фр. яз. 22 см.

Песни Лешуконья

By собрал М. Н. Мякушин.
Архангельск ОГИЗ 1940 .
85, [3] с. 22 см.