1. Mobile robots continue to march (and crawl, roll, walk, slither, climb and swim) into action;Meieran;Nuclear Engng Int.,1991
2. Nozzle dam remote installation system and technique;Trundle,1991
3. Nozzle dam translocating system;Trundle,1990
4. Multisectioned nozzle dam;Weisel,1991
5. Remotely installed steam generator nozzle dam system;McDonald,1990