THE ROLE OF ENGINEERING GEOLOGY FOR PLANNING AND CONSTRUCTION OF UNDERGROUND OPENINGS - INTRODUCTION OF THE SYMPOSIUM 19-3 ENGINEERING GEOLOGY IN THE UTILIZATION OF UNDERGROUND SPACE, 29TH INT GEOLOGICAL CONGRESS, KYOTO, JAPAN 1992
M. Langer, THE ROLE OF ENGINEERING GEOLOGY FOR PLANNING AND CONSTRUCTION OF UNDERGROUND OPENINGS - INTRODUCTION OF THE SYMPOSIUM 19-3 ENGINEERING GEOLOGY IN THE UTILIZATION OF UNDERGROUND SPACE, 29TH INT GEOLOGICAL CONGRESS, KYOTO, JAPAN 1992, Engineering geology, 35(3-4), 1993, pp. 143-147