Article Title,Year,Volume,Issue,Page Range,Author The origin of chloroplasts: Constantin S. Merezhkowsky (1855-1921) and symbiogenesis,2022,31,1,178-184,Khanna Development of Tn5 Mutants of Cicer-Rhizobium Strains Tolerant to Nitrate under Symbiotic Condition,1993,2,1,15-18,Chattopadhyay