共 19 条
[1]
COUCHAT P, 1967, JUN P FAO IAEA S IST, P67
[2]
DEBOODT M, 1968, SOIL SCI, V3, P555
[4]
GARDNER WH, 1965, ASA MONO AM SOC AGRO, V9
[5]
GLASSTONE S, 1953, ELEMENTS NUCLEAR REA
[8]
HOLMES JW, 1959, J AGR ENG RES, V3, P199
[9]
HUGHES DJ, 1958, BROOKHAVEN NATIO BNL, V32
[10]
JENSEN PA, 1967, JUN IAEAFAO S IST, P31