Brock); Walsby, A. E. "Buoyancy regulation by planktonic blue-green algae in Lake Mendota, Wisconsin.". Arch. Hydrobiol.. 1978, (83): 524–537 (英语). Carmichael
[December 3, 2007]. Giles, H. H. Wisconsin Railroads. Chicago: Western Historical Company. 1879: 173–185. Ebner, Michael H. Lake County, IL. Encyclopedia of