共 6 条
[2]
HURST H. M., 1967, P260
[3]
MATHUR S. P., 1970, Plant and Soil, V33, P717, DOI 10.1007/BF01378262
[4]
PENNANEN V, 1974, AQUA FENN, P3
[5]
PENNANEN V, PUBL WATER RES I NAT, V65
[6]
Sederhoim HA., 1973, VERH INT VEREIN LIMN, V18, P1301