共 10 条
[1]
BERLIN J, 1967, OIKOS S, V9, P25
[3]
JEFFUS MT, 1970, J ASSOC OFF ANA CHEM, V53, P1172
[4]
Mellanby K, 1967, PESTICIDES POLLUTION
[6]
SNEDECOR GW, 1956, STATISTICAL METHODS
[7]
Tejning S., 1967, Oikos Suppl, V8, P7
[8]
TEJNING S, 1967, OIKOS S, V8, P77
[9]
WESTOO G, 1966, VAR FODA, V18, P85
[10]
WILSON JF, 1968, TECHNIQUES WATER RES, pCH12