Proceedings and papers of the second International Congresses of Soil Science :  Leninrad-Moscow, USSR, July 20-31, 1930 / 
 Труды II международного конгресса почвоведения :  Ленинград-Москва, июль 20-31, 1930 
Ed. by A.N. Sokolovsky, N.A. Kachinsky; The Organizing Kommittee of the Second International Congresses of Soil Science. 
 - Moscow :  SELKOLKHOZGIS,  1932. 
 - Commission ;  25 cm. 
<br/><br/> Soil phisics  Soil chemistry /  Soil fertility /  Classification, geography and cartography of soils /  Application of soil science to agricultural technology /  Ed. by K.K. Gedroiz, D.L. Askinasi  Ed. by E. Uspensky, A. Voitkevich  Ed. by D.N. Prjanischnikow, N.S. Sokolov  Ed. by L.J. Prassolov, D.G. Vilensky  Ed. by A.N. Kostiakov, V.S. Dokrovsky  Com. I (1932, 304 p.) :  Com. II (1933, 226 p.) :  Com. III (1932, 301 p.) /  Com. IV (1932, 262 p.) :  Com. V (1932, 424 p.) :  Com. VI (1932, 320 p.) : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science