00498nam a22001577a 4500 230628b |||||||| |||| 00| 0 eng d 0971460006 National Science Library National Science Library R 05(058.7)(71+73) L7 Standard periodical directory, 1977 / Oxbridge Communications 5th ed. New Delhi: Oxbridge Communications, 1976 xvii, 1715p. American periodicals udc REF 48194 48194 0 0 udc 0 R_0505877173_L7 0 73959 NSL NSL GF/Rk-7/C-3/R-4 1978-07-15 0 R 05(058.7)(71+73) L7 87931 2023-06-28 00:00:00 1978-07-15 REF