@article{paperid:1006742, author = {Lakzian, Amir and Philip Murphy and Ken Giller}, title = {Transfer and loss of naturally-occurring plasmids among isolates ofRhizobium leguminosarum bv. viciae in heavy metal contaminated soils}, journal = {Soil Biology and Biochemistry}, year = {2007}, month = {June}, issn = {0038-0717}, keywords = {Conjugation; Zinc; Metal toxicity; Sewage sludge; Microbial ecology}, }