TY - BOOK AU - Franciss,F.O. TI - Weak rock tunneling : : a simplified analytical simulation, a pc-based model and design charts for engineering practice. SN - 9054101458 U1 - 624.193 PY - 1994/// CY - Netherlands : PB - Balkema, KW - Rock mechanics -- Computer simulation KW - Tunneling -- Computer simulation N1 - Includes bibliographical references (pages 191 - 200) ER -