00293nam a2200109Ia 4500008004100000082001400041100001700055245003700072260002500109300001100134650003800145240817s9999    xx            000 0 und d  a631.4. H0  aRoad Reg Lal 0aSoil mechanics for road engineer  c1952a Londonb HMSO  a541 p.  a Soil mechanics for road engineer