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HERBERT R. A., 1975. Heterotrophic nitrogen fixation in shallow estuarine sediments. Journal of Experimental
Marine Biology, 18, : 215-225.
JONES K., 1982a. Salinity-tolerant nitrogen-fixing Enterobacteriaceae in the Lune estuary. Zentralblatt fur
Bakteriologie Mikrobiologie und Hygiene. /. Abt. Orginale C3, : 513-518.
JONES K., 1982b. Nitrogen fixation in the temperate estuarine intertidal sediments of the river Lune. Limnology
and Oceanography 27, : 455-460.
NEILSON A.H., 1980. Isolation and characterization of bacteria from the Baltic Sea. Journal of Applied
Bacteriology 49 : 199-213.
PLATZ S., 1981. Studies on survival of Salmonellae on agricultural areas. Zentralblatt fur Bakteriologie
Mikrobiologie und Hygiene, I. Abt. Originale B 173, : 452-456.
RUDULIER D.L., YANG S.S. and CSONKA L.N., 1981. Proline overproduction enhances nitrogenase activity
under osmotic stress in Klebsiella pneumoniae. In Genetic Engineering of Symbiotic Nitrogen Fixation and
Conservation of Fixed Nitrogen. Eds. J.M. Lyons, R.C. Valentine, D.A. Phillips, D.W. Rains and R.C.
Huffaker. pp. 173- 179, Plenum Press, London.
STEWART W.D.P., FITZGERALD G.P. and BURRIS R.H., 1967. In situ studies of nitrogen fixation using the
acetylene reduction technique. Proceeding of the National Academy of Science (Washington) 58 : 2071-2078.
WERNER D., EVANS H.J. and SEIDLER R.J., 1974. Facultatively anaerobic nitrogen-fixing bacteria from the
marine environment. Canadian Journal of Microbiology 20 : 59-64.
WOLFENDEN J., 1984. N2 fixing bacteria associated with Spartina anglica. Journal of Applied Bacteriology (58,
XII.).
Xu H.S., ROBERTS N., SINGLETON F.L., ATTWELL R.W., GRIMES D.J. and COLWELL R.R., 1982. Survival and
viability of nonculturable Escherichia coli in the estuarine and marine environment. Microbial Ecology 8 :
313-323.
531
HERBERT R. A., 1975. Heterotrophic nitrogen fixation in shallow estuarine sediments. Journal of Experimental
Marine Biology, 18, : 215-225.
JONES K., 1982a. Salinity-tolerant nitrogen-fixing Enterobacteriaceae in the Lune estuary. Zentralblatt fur
Bakteriologie Mikrobiologie und Hygiene. /. Abt. Orginale C3, : 513-518.
JONES K., 1982b. Nitrogen fixation in the temperate estuarine intertidal sediments of the river Lune. Limnology
and Oceanography 27, : 455-460.
NEILSON A.H., 1980. Isolation and characterization of bacteria from the Baltic Sea. Journal of Applied
Bacteriology 49 : 199-213.
PLATZ S., 1981. Studies on survival of Salmonellae on agricultural areas. Zentralblatt fur Bakteriologie
Mikrobiologie und Hygiene, I. Abt. Originale B 173, : 452-456.
RUDULIER D.L., YANG S.S. and CSONKA L.N., 1981. Proline overproduction enhances nitrogenase activity
under osmotic stress in Klebsiella pneumoniae. In Genetic Engineering of Symbiotic Nitrogen Fixation and
Conservation of Fixed Nitrogen. Eds. J.M. Lyons, R.C. Valentine, D.A. Phillips, D.W. Rains and R.C.
Huffaker. pp. 173- 179, Plenum Press, London.
STEWART W.D.P., FITZGERALD G.P. and BURRIS R.H., 1967. In situ studies of nitrogen fixation using the
acetylene reduction technique. Proceeding of the National Academy of Science (Washington) 58 : 2071-2078.
WERNER D., EVANS H.J. and SEIDLER R.J., 1974. Facultatively anaerobic nitrogen-fixing bacteria from the
marine environment. Canadian Journal of Microbiology 20 : 59-64.
WOLFENDEN J., 1984. N2 fixing bacteria associated with Spartina anglica. Journal of Applied Bacteriology (58,
XII.).
Xu H.S., ROBERTS N., SINGLETON F.L., ATTWELL R.W., GRIMES D.J. and COLWELL R.R., 1982. Survival and
viability of nonculturable Escherichia coli in the estuarine and marine environment. Microbial Ecology 8 :
313-323.
531