[STUDIES  ON THE EFFECT OF SOME FACTORS ON THE BIOSYNTHESIS OF VITAMIN B-12 IN SILT. I].
D045728:Corrinoids; D012106:Research; D012988:Soil Microbiology; D014805:Vitamin B 12; D014803:Vitamin B Complex; D014815:Vitamins; D014887:Weather
D045728:Corrinoids; D014815:Vitamins; D014803:Vitamin B Complex; D014805:Vitamin B 12
EXPERIMENTAL LAB STUDY; SOIL MICROBIOLOGY; VITAMIN B 12; WEATHER
PROUCHVANE VLIIANIETO NA NIAKOI FAKTORI ZA BIOSINTEZIRANETO NA VITAMIN B-12 V BLATNATA TINIA. I.