Acta Geologica 32. (1989)
1-2. szám
Bornite from Rudabánya: an electron diffraction study. M. Pósfai ........ 231 Bonity investigations based on the natural characteristics of mineral row material localities. L. Somos ......................................................... 241 New tasks of raw material prospecting for the cement industry. Z, Bernáth, F. Tarnóczi ........................................................................................ 247 Tasks and problems of the engineering geological mapping of settlements with cellars. R. Petz, Gy. Scheuer, Mrs, L. Szentirmai, P. Szigeti, E, Kővári-Gulyás ......................................................................................... 257 PRINTED IN HUNGARY Akadémiai Kiadó és Nyomda Vállalat, Budapest