1. The summary of experimental and calculational investigations of processes in the bubbler condenser containment system of NPPs with WWER 440 reactors-after LOCA;All-Union Heat Engineering Institute VTI,1980
2. Upgrading of confinement of NPP Kozloduy units 3 and 4;Balabanov,1993
3. V-1 accident localization system upgrading to cope with large LOCA scenarios;Balaz,1993
4. Containment and confinement performance in NPPs with WWER-440/213 and WWER-440/230 reactors;IAEA,1993