共 7 条
[1]
ABRAMOV EL, 1974, KHIM SELSK KHOZ, V12, P57
[3]
KRESHKOV AP, 1970, TALANTA, V17, P1929
[4]
LITEANU C, 1960, TALANTA, V7, P18
[5]
MELNIKOV NN, 1967, ANAL METHODS HERBICI, P176
[6]
PESHKOVA VM, 1965, PRACTICAL MANUAL SPE, P57
[7]
WEISSBERGER A, 1952, TECHNIQUES ORGANIC C, P366