Pavement engineering in developing countries /
Ellis, C. I.
Pavement engineering in developing countries / by C. I. Ellis. - Springfield, Va. : National Technical Information Service, 1979. - iv, 28 leaves. - Supplementary report / 537 . - Supplementary report (Transport and Road Research Laboratory) ; 537 .
Pavements--Developing countries.
Pavement engineering in developing countries / by C. I. Ellis. - Springfield, Va. : National Technical Information Service, 1979. - iv, 28 leaves. - Supplementary report / 537 . - Supplementary report (Transport and Road Research Laboratory) ; 537 .
Pavements--Developing countries.