Yih, C.S. On the asymptotic behavior of any fundamental solution of the equation of atmospheric diffusion and on a particular diffusion problem, Fort Collins, CO: Colorado Agricultural and Mechanical College, Civil Engineering Department, Report no. 8, September 1952, Box: 1, Item: FA-28. Hans A. Einstein Flow collection, MS-89/4. Water Resources Collections & Archives. https://public.ucrlib.aspace.cdlib.org/repositories/5/archival_objects/581293 Accessed June 07, 2025.