684 Marine Microbiology 



4. KusNEZow, S. I.: Die Rolle der Mikroorganismen im StoffkreisJaiif der 



Seen. VEB Deutscher Veilag der Wissenschaften, Berlin, 301 p., 

 1959. 



5. Oppenheimer, C. H.: Bacterial activity in sediments of shallow marine 



bays. Geochim. et cosmoch. Acta, i9:244-260, 1960. 



6. Patterson, G. D.: Chapter on Sulfur in: Colometric Determination of 



Nonmetals. Editor Boltz D. F., Interscience Publishers, Inc., New 

 1958. 



7. PosTGATE, J.: Sulphate reduction by bacteria. Aim. Rev. Microbiol., 



13:505-520, 1959. 



8. Starkey, R. L.: Characteristics and cultivation of sulfate-reducing bac- 



teria. ;. Amer. Wat. Whs A., 40:1291, 1948. 



9. SuGAWARA, K., KoYAMA, T. and Kozawa, a.: Distribution of various 



forms of sulfur in lake-, river- and sea-muds. (II), J. Earth Sci., 

 Nagoya University, 2:1-4, 1954. 



10. RuBENCHiK, L. J.: Sulfate-reducing bacteria. Mikrobiologiya, 15:443- 



456 (in Russian) 1946. 



11. Sandell, E. B.: Colorimetric Determination of Traces of Metals. In- 



terscience Publishers Inc., New York, 1959. 



12. Volkmann, C. and Oppenheimer, C. H.: The microbial decomposition 



of organic matter in surface sediments. In Press. ]our. Inst. Mar. Sci., 

 1962. 



