共 9 条
[1]
AXELSSON V, 1972, 14 U UPPS DEP PHYS G
[3]
HAKANSON L, 1978, VANERNS MORTOMETRI M
[4]
HAKANSON L, 1974, GEOGR ANN A, V56, P183
[5]
HAKANSON L, J MATH GEOL
[6]
HUTCHINSON GE, 1957, GEOGRAPHY PHYSICS CH, V1
[7]
Welch P.S., 1948, LIMNOLOGICAL METHODS
[8]
Wetzel R.G., 1975, LIMNOLOGY
[9]
1972, 1972 STAT NAT PUBL