RT Journal Article SR Electronic(1) A1 Dixon, Ray A.YR 1984 T1 The Genetic Complexity of Nitrogen Fixation JF Microbiology, VO 130 IS 11 SP 2745 OP 2755 DO https://doi.org/10.1099/00221287-130-11-2745 PB Microbiology Society, SN 1465-2080, AB , UL https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-130-11-2745