| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 152 | | SHEILDING STRUCTURALLY ASSOCIATED WITH THE REACTOR [G21C-11/00] {3} |
| DIG 153 | DD | .~> Biological sheilding; Neutron and gamma shielding [G21C-11/02] *** (in general DIG. 319+) {4} |
| DIG 159 | DD | .~> Reflecting shields (i.e., for minimizing loss of neutrons) [G21C-11/06] |
| DIG 160 | DD | .~> Thermal shields; Thermal linings (i.e., for dissipating heat from gamma radiation which would otherwise heat an outer biological shield); Thermal insulation [G21C-11/08] {4} |