Current developments in soybean - Rhizobium symbiotic nitrogen fixation / Editor Don Xintian. -- Harbin : Heilongjiang Science a. Technol. Publ. House, 1993. -- 493 s. -- (New Register No. 2). -- obr., tab. -- ISBN 7-5388-2206-2/S.236. dusík rizobiálny * sója * Rhizobium * fixácia dusíka