1. Studies on aerobic bacteria commonly concerned in the decomposition of cellulose;BRADLEY L. A.;Jour. Bact.,1926
2. Bureau of Mines Bulletin No. 197. 1926 Sampling and examination of mine gases and natural gas. Washington Government Printing Office.
3. Etude de la flore bacterienne du gros intestin du cheval;CHOUKVITCH J.;Ann. de l'Inst. Past.,1911
4. DtGELL1 M. 1921 Quoted in Waksman's "Principles of Soil Microbiology " p. 39.
5. Soil organisms which destroy cellulose. Centralbl. f;KELLERMAN K. F.;Bakt.,1912