J W Mahar

METHODS FOR GEOTECHNICAL OBSERVATIONS AND INSTRUMENTATION IN TUNNELING. VOLUME 1

A J Hendron, Edward J. Cording, W H Hansmire, 1975 .

INSTRUMENTATION TO MONITOR BEHAVIOR OF SHOTCRETE SUPPORT SYSTEMS

J W Mahar, R A Jones, 1974 .

Shotcrete practice in underground construction

J W Mahar, H W Parker, W W Wuellner, 1975 .