925.4
S131M
           Segal, Narender K, ed.
               Memories of Ruchi Ram Sahni pioneer of science popularisation in Punjab \ edited by Narender K Segal and Mahanti, Subodh - New Delhi : Vigyan Prasar, 1997.
               xxvi, 189p.
                ISBN: 8174800166

C16660
                Subjects: BIOGRAPHY; SCIENTIST.