Microtunneling and horizontal drilling : French national project "microtunnels" recommendations / FSTT, French Society for Trenchless Technology - 342 páginas : ilustraciones ISBN: 9781905209002 Subjects--Topical Terms: Construccion de trincherasMicrotuneladoras LC Class. No.: TA815 / C6513 Dewey Class. No.: 624.1/93