00489nam a22001337a 4500 230427b |||||||| |||| 00| 0 eng d National Science Library National Science Library 537.226(063) J5 Some aspects of ferroelectricity / Proceedings of the Institute of radio engineers...........................30 June, 1955 Pennsylvania: Department of Physics, 1955 xii, 139p. Proceedings udc PR 24369 24369 0 0 udc 0 537226063_J5 0 35790 NSL NSL GF/Rk-6/C-8/R-1 1968-01-10 0 537.226(063) J5 21852 2023-04-27 00:00:00 1968-01-10 PR