title: [symbiotic fixation of molecular nitrogen].
mesh_terms: D001419:Bacteria / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism; D005827:Genetics, Microbial; D007711:Klebsiella pneumoniae / Q000378:metabolism; D009586:Nitrogen Fixation; D010944:Plants / Q000378:metabolism*; D011995:Recombination, Genetic; D012231:Rhizobium / Q000378:metabolism; D013559:Symbiosis; D014161:Transduction, Genetic; D014170:Transformation, Genetic
vernacular_title: O nekotorykh novykh problemakh, sviazannykh s simbioticheskoĭ fiksatsieĭ molekuliarnogo azota