共 5 条
- [1] Johannsen O. A., 1905, NY STATE MUSEUM B, P76
- [2] Malloch J. R., 1917, Bulletin Illinois Laboratory Urbana, V12
- [3] Malloch John R., 1915, Urbana Bulletin of the Illinois State Laboratory of Natural History, V10
- [4] MALLOCH JR, 1915, B ILLINOIS STATE LAB, V11, P310
- [5] NEEDHAM JG, 1918, FRESHWATER BIOL, P915