| 376 / | HD | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS | 
| 347 | DF | REACTOR STRUCTURES {7} | 
| 361 | DF | .~ Circulating fluid within reactor {6} | 
| 395 | DF | .~.~ Having specified fluid flow path or pattern within reactor core {4} | 
| 396 |  | .~.~.~ Plural separate coolant loops through reactor core |