| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 375 | DD | DECONTAMINATION ARRANGEMENTS; TREATING RADIOACTIVELY CONTAMINATED MATERIAL [G21F-9/00] {5} |
| DIG 379 | DD | .~ Treating liquids [G21F-9/04] {2} |
| DIG 380 | DD | .~.~ Processing [G21F-9/06] {6} |
| DIG 382 | | .~.~.~ By flocculation [G21F-9/10] |