Measurement of pavement thick ness by rapid and non destruc-tive methods / S.D.Howkins.
Howkins, S.D.
Measurement of pavement thick ness by rapid and non destruc-tive methods / S.D.Howkins. - Washington, D.C. : HRB - 82 p. - Report / Highway Research Board ; 52 .
Measurement of pavement thick ness by rapid and non destruc-tive methods / S.D.Howkins. - Washington, D.C. : HRB - 82 p. - Report / Highway Research Board ; 52 .