Kozmualagut-kozmufolyoso anket eloadasainak roviditett anyaga: Budapest, 1976. szeptember 29 
Subtitle: [eloadasok]
Publisher: Epitoipari Tudomanyos Egyesulet
Published: 1977
Language: hun
Format: Unknown Binding
Number of pages: 131
ISBN-13: 9789638061331
Subjects: Congresses; Underground utility lines