@book{gledocs_11858_00-1735-0000-0001-316B-0,
author = {Ahmed Suliman, El Tahir Bailo},
title = {Keraf Shear Zone, NE Sudan},
year = {2000},
publisher = {Univ. Berlin},

note = { \url {http://hdl.handle.net/11858/00-1735-0000-0001-316B-0}},
}