631.875
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International Symposium "Humus et Planta" (8th : 1983 : Prague, Czechoslovakia)
Studies about humus : transactions of the VIIIth International Symposium Humus et Planta, Prague, 29 August-3rd September 1983 / editor-in-chief Bohumír Novák ... [et al.] = Doklady o gumuse : sbornik dokladov Mezhdunarodnogo simpoziuma Humus et Planta VIII, Praga, 29 avgusta-3 sentëiìbrëiìa 1983 / glavnyæi redaktor Bohumír Novák ... [et al.].
— Prague : Research Institute of Crop Production, 1983. 2 v. : il. ; 30 cm.
Trabajos presentados: en inglés y ruso.
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