1. Occurrence of a Nematode Worm in a City Water Supply;Chang;Jour. AWWA,1959
2. Chang , S. L. Cultivation and Life Cycle of Rhabditis limicola, Diplogaster nudicapitalus , and Cheilobus quadrilabiatus unpublished
3. Cultural, Cytological, and Ecological Observations on the Ameba Stage of Naegleria gruberi;Chang;J. Gen. Microbiol.,1958
4. Chang , S. L. Growth of Small Free-Living Amebas in Various Bacterial and Bacteria-Free Cultures unpublished
5. Filter-Bed Nemas-Nematodes of the Slow Sand Filter Beds of American Cities;Cobb;Contrib. Sci. Nemato.,1918