LITERATURE CITED
- Apinis, A. E., and G. J. F. Pugh. 1967. Thermophilic fungi of birds' nests. Mycopathol. Mycol. Appl. 33: 1–9.
- Cooney, D. C., and R. Emerson. 1965. Thermophilic fungi. W. H. Freeman & Co., San Francisco. 188 p.
- Peterson, R. T. 1961. A field guide to western birds. Houghton Mifflin Co., Boston. 366 p.
- Pugh, G. J. F. 1966. Associations between birds' nests, their pH, and keratinophilic fungi. Sabouraudia 5: 49–53.