1. UTILIZATION FACILITIES OF BUILDING INDUSTRY BY-PRODUCTS (RED MUD) AND THEIR RADIOLOGICAL QUALIFICATION. Authors: NORBERT KÁVÁSI, VICTOR JOBBÁGY, JANOS SOMLAI, GABOR SZEILER, TIBOR KOVÁCS.2. RADIOLOGICAL SURVEY OF THERMAL BATH IN IGAL-HUNGARY. Authors: TIBOR KOVÁCS, VIKTOR JOBBÁGY, JÁNOS SOMLAI, NÓRA JÁNOKI.3. PARALLEL RADON AND THORON SURVEY AT SPECIAL UNDERGROUND CIRCUMSTANCES. Authors: GÁBOR SZEILER, TAMÁS VIGH, JÁNOS SOMLAI, CSABA NÉMETH, NORBERT KÁVÁSI, TIBOR KOVÁCS.4. INVESTIGATION OF RADON AND THORON IN DWELLINGS NEARBY A CLOSED HUNGARIAN URANIUM MINE. Authors: TIBOR KOVÁCS, VIKTOR JOBBÁGY, JÁNOS SOMLAI, NORBERT KÁVÁSI, CSABA NÉMETH.5. RADON AND RADON EXPOSURE OF WORKERS IN HUNGARIAN SHOW CAVES. Authors: TIBOR KOVÁCS, ANDRÁS VÁRHEGYI, GÁBOR SZEILER, JÓZSEF HAKL, NORBERT KÁVÁSI, JÁNOS SOMLAI.6. A TRANSFER ZONE BETWEEN YELLOW-BELLIED AND FIRE-BELLIED TOADS IN HUNGARY AND SLOVAKIA. Authors: TIBOR KOVÁCS, ZOLTÁN GÁLFY, ORSOLYA HOFFMANN, JÁNOS UJSZEGI, TÍMEA BOZSÓKY, BALÁZS VÁGI.