00437nam a2200121Ia 4500008004100000040001600041041001200057082001500069100002000084245015300104260004100257300001700298230917s9999||||xx |||||||||||||| ||und||  e66417aMAIN  aEnglish  a551.22 I6M  aillies, J H, ed 0aMechanism of graben formation: selected papers of an icg symposium held ruring the 17th iugg general assemblym canberra, Australia, December 5, 1979  aAmsterdambElsevier Scientificc1981  aviii, 266 p.