2 "Ficheiro:Cut-and-cover_tunneling_techniques_(IA_cutandcovertunne00sver).pdf".

Ficheiro:Cut-and-cover tunneling techniques (IA cutandcovertunne00sver).pdf

Cut-and-cover tunneling techniques   (  ) Author Sverdrup & Parcel and Associates United States. Federal Highway Administration. Offices of Research and...


Ficheiro:Cut-and-cover tunneling techniques (IA cutandcovertunne00sver 0).pdf

Cut-and-cover tunneling techniques   (  ) Author Sverdrup & Parcel and Associates United States. Federal Highway Administration. Offices of Research and...