共 38 条
[31]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[32]
NAGY J, 1963, NORSK POLAR I ARBOK, P110
[33]
NOBLE JB, 1960, 11 WASH STAT DIV WAT
[34]
Phleger F. B, 1960, ECOLOGY DISTRIBUTION, P297
[35]
WALDICHUK M, 1955, THESIS U WASHINGTON
[36]
WENNEKENS MP, 1959, THESIS U WASHINGTON
[37]
WRIGHT HE, 1965, QUATERNARY US ED, P341
[38]
1951, ROCK COLOR CHART GEO