| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 296 | DD | CONTROL OF NUCLEAR POWER PLANT [G21D-3/00] *** (control of nuclear reaction in general DIG. 113) {3} |
| DIG 298 | DD | .~ Safety arrangements [G21D-3/04] *** (emergency protection of reactor DIG. 139+) {1} |
| DIG 299 | | .~.~ Responsive to faults within the plant [G21D-3/06] *** (in the reactor DIG. 139+) |