00512nam a22001457a 4500 230801b |||||||| |||| 00| 0 eng d National Science Library National Science Library 55A Chokkaiyan, R Trend report on research in non-ferrous extractive metallurgy in India / Indian National Scientific Documentation Centre Indian National Scientific Documentation Centre, 1969 81p. Science udc REP 56764 56764 0 0 udc 0 55A 0 103712 NSL NSL GF/Rk-10/C-2/R-6 1971-02-10 0 55A 34580 2023-08-01 00:00:00 1971-02-10 REP