[1] DEUTSCH GESELL WIDERAUFARBEITUNG VON, KERNBRENNSTOFEN GMBH, VORSTANDSMITGLIED, D-3000 HANNOVER 1, FED REP GER
[2] CENFAR, CEA, F-92260 FONTENAY AUX ROSES, FRANCE
[3] BELGONUCL BELGIUM, B-1050 BRUSSELS, BELGIUM
[4] BRITISH NUCL FUELS LTD, WINDSCALE NUCL LABS, SELLAFIELD CA20 1PG, CUMBRIA, ENGLAND
[5] POWER REACTOR & NUCL FUEL DEV CORP, MINATO KU, TOKYO, JAPAN