TY  - RPRT
TI  - Nitrogen fixation--assay methods and techniques.
AU  - R H Burris
PY  - 1972
DO  - 10.1016/0076-6879(72)24088-5
UR  - https://pubmed.ncbi.nlm.nih.gov/4206744/
ID  - 4206744
ER  -