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Low-molecular-weight fractions of Bulgarian lignite humic acids
Elena M. Balabanova-Radonova, Maia D. StefanovaVolume:
60
Year:
1981
Language:
english
Pages:
4
DOI:
10.1016/0016-2361(81)90219-2
File:
PDF, 1.08 MB
english, 1981