00298nam a22000977a 4500 230818b |||||||| |||| 00| 0 eng d National Science Library National Science Library Scientific world Paris: World Federation of Scientific Workers, udc CR 59025 59025 0 0 Vols. 16-17, 1972-1973 0 0 121674 NSL NSL SF/Rk-68/C-7/R-3 1975-02-07 0 73821 2023-08-18 00:00:00 1975-02-07 CR 0 0 Vols. 14-15, 1970-71 0 0 121675 NSL NSL SF/Rk-68/C-7/R-3 1975-02-07 0 48364 2023-08-18 00:00:00 1975-02-07 CR