Ivanova, E. N. Classification and determination of soil types No. 1-5 - Jerusalem : Israel Program for Scientific Translations, 1970 - 271 p c.2 fotocopia LCCN: 26645 Subjects--Topical Terms: Suelos--Clasificación--U.R.S.S.Suelos--U.R.S.S. Dewey Class. No.: 631.44 / I8