1. ACHALME-PASBINI See Choukevitch (1911).
2. ANKERSCHMITT P. 1905 Untersuchungen tiber die Bakterien im Verdauungskanal des Rindes. Centralbl. f. Bakteriol. O. 39 359 574 687; Ibid. 40 100.
3. The pipette method in the isolation of single microorganisms and in the inoculation of substances into living cells;BARBER M. A.;Philippine Jour. of Science,1914
4. The use of the single cell method in obtaining pure cultures of anaerobes;BARBER M. A.;Jour. Exper. Med.,1920
5. Thermophilic bacteria;BERGEY D. H.;Jour. Bacteriol.,1919