共 52 条
- [1] BERCKHEMER F, 1923, CENTRALBL MINERALOGI, P15
- [2] Blackwelder E, 1915, AM J SCI, V39, P646
- [3] BLACKWELDER E, 1913, GEOL SOC AM BULL, V24, P607
- [4] BRADLEY WH, 1929, 154 US GEOL SURV, P208
- [5] BRADLEY WH, 1927, WASH ACAD SCI J, V17, P232
- [6] CLARKE FW, 1922, 124 US GEOL SURV, P48
- [7] CLARKE JM, 1914, NEW YORK MUS B, V178, P39
- [8] DACHNOWSKISTOKE. A, 1928, WASH ACAD SCI J, V18, P476
- [9] DIENER C, 1925, GRUNDZUGE BIOSTRATIG, P36
- [10] Algae and algal beds in the belt series of Glacier National Park [J]. JOURNAL OF GEOLOGY, 1931, 39 (07) : 670 - U12