The settlement of peat and the decrease in depth of drainage channels in bogs. Osadka torfa i umen'shenie glubiny osushitel'nykh kanalov na bolotabh. (Translated from) Doklady Vsesoyuznoi Akademii s.-kh. nauk im. V.I. Lenika, 1939, 2 (23-24), 56-9.
Svadkovsky, E. G.
Garston, 
1963.
Reproduced from typewriting.