共 5 条
[1]
BURROUGHS J, HARRIMAN ALASKA EXPE, V1, P79
[2]
ERNST A, 1908, NEW FLORA VOLCANIC I, P50
[3]
Martin G.C., 1913, NATL GEOGRAPHIC MAGA, V24, P131
[4]
PERRY KW, 1912, NAT GEOGR MAG, V23, P824
[5]
Rigg G B, 1914, Science, V40, P509, DOI 10.1126/science.40.1032.509