00384nam a22001097a 4500 230719b |||||||| |||| 00| 0 eng d 0027-8424 National Science Library National Science Library Proceedings of the national academy of sciences of the united States of America Washington: The National Academy of Science udc CR 53605 53605 0 0 udc Vol. 82, No. 4-6, 1985 0 0 88589 NSL NSL SF/Rk-71/C-1/R-5 2000-02-07 0 144550 2023-07-19 00:00:00 2000-02-07 CR 0 0 Vol. 64, 1969 0 0 88591 NSL NSL SF/Rk-71/C-1/R-5 2000-02-07 0 206211 2023-07-19 00:00:00 2000-02-07 CR 0 0 Vol. 82, No. 4-6, 1985 0 0 88592 NSL NSL SF/Rk-71/C-1/R-5 1991-07-16 0 144588 2023-07-19 00:00:00 1991-07-16 CR