TY - BOOK ID - 139037874 TI - Value of travel time PY - 1976 SN - 0309025532 PB - Washington (D.C.): National academy of sciences DB - UniCat KW - Time management KW - Travel time (Traffic engineering) UR - https://www.unicat.be/uniCat?func=search&query=sysid:139037874 AB - ER -