1. Centbl;BEIJERINCK M. W.;Bakt. (II),1904
2. Arch. des Sci. Exactes et Naturelles, Haarlem;BEIJERINCK M. W.;Ser.,1904
3. Folia Microbiologica, year 3; 91-113. Also in Verzamelde Geschriften van M. W. Beijerinck, Bruckmann and Obernetter;BEIJERINCK M. W.;Mtinchen,1914
4. Proc. of Section of Sciences, Kon. Akad. v. Wetenschappen;BEIJ INCK;Amsterdam,1920
5. Jour;BONAZZI A.;Bact.,1923