共 15 条
[1]
BROWN KW, 1940, J AM W W ASSN, V32, P675
[2]
DAVIS ROE, 1927, 423 USDA
[3]
HIBBARD RP, 1915, MICH AGR COL EXP STA, V23
[4]
LIVINGSTON P, 1937, 796A US GEOL SURV
[5]
LIVINGSTON P, 1936, 773D US GEOL SURV WS
[6]
MCCOMBS J, 1927, 596 US GEOL SURV, P1
[7]
Mendenhall W.D., 1905, 137 US GEOL SURV
[8]
MENDENHALL WC, 1905, 139 US GEOL SURV
[9]
MENDENHALL WC, 1905, 138 US GEOL SURV WS
[10]
POLAND JF, 1940, T AM GEOPHYS UNION 1, P35