Humic substances in the environment
Schnitzer, M.
Humic substances in the environment - N.Y. Marcel Dekker 1972 - 23cm. 327 - Books in soil and environment .
HUMUS
HUMUS SOIL - COMPOSITION
631.417 S22M
Humic substances in the environment - N.Y. Marcel Dekker 1972 - 23cm. 327 - Books in soil and environment .
HUMUS
HUMUS SOIL - COMPOSITION
631.417 S22M