by Nigam, B.C, Reddy, A.S
Published in Indian phytopathology (1972)

by Joshi, M.C, Nigam, B.C
Published in Tropical ecology (1970)

by Nigam, B.C, Joshi, M.C
Published in Osterr Bot Z (1970)

by Nigam, B.C, Joshi, M.C, Kumar, A
Published in Annals of arid zone (1970)

by Joshi, M.C, Nigam, B.C
Published in Österreichische botanische Zeitschrift (1973)