Mecseki Kutatasi Anket: [Pecs, 1977. junius 10 
Subtitle: eloadasok (Szenbanyaszati tudomanyos kutatas)
Publisher: Magyar Szenbanyaszati Troszt
Published: 1978
Language: hun
Format: Unknown Binding
Number of pages: 72
ISBN-13: 9789630210737
Subjects: Coal mines and mining; Congresses