JACOBS,J.M
RAPID EXCAVATION AND TUNNELING CONFERENCE: PROCEEDINGS VOL.II - LITTLETON SMME 1987 - 24X16
0873350677
622.2606 J17
RAPID EXCAVATION AND TUNNELING CONFERENCE: PROCEEDINGS VOL.II - LITTLETON SMME 1987 - 24X16
0873350677
622.2606 J17