976 / | HD | NUCLEAR TECHNOLOGY |
DIG 319 | DD | SHIELDING CHARACTERIZED BY THE COMPOSITION OF THE MATERIALS [G21F-1/00] {2} |
DIG 320 | DD | .~ Selection of uniform shielding materials [G21F-1/02] {6} |
DIG 327 | .~.~ Ceramics; Glasses; Refractories [G21F-1/06] *** (cermets DIG. 328) |