| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 152 | DD | SHEILDING STRUCTURALLY ASSOCIATED WITH THE REACTOR [G21C-11/00] {3} |
| DIG 153 | | .~ Biological sheilding; Neutron and gamma shielding [G21C-11/02] *** (in general DIG. 319+) {4} |
| DIG 154 | DD | .~.~> Inside the reactor vessel [G21C-11/02B] {1} |
| DIG 156 | DD | .~.~> In apertures or channels through a wall [G21C-11/02D] |
| DIG 157 | DD | .~.~> Characterized by the form or by the material [G21C-11/02F] |
| DIG 158 | DD | .~.~> On waterborne craft [G21C-11/04] |