共 51 条
[3]
AXELROD HD, 1969, ANAL CHEM, V13, P1856
[5]
BEHR RS, 1985, THESIS U MANITOBA
[6]
BRAEKKE FH, 1981, MEDD NOR I SKOGFORSK, V36, P1
[9]
BROWN KA, 1986, SOIL BIOL BIOCHEM, V17, P411