00334nam a22001217a 4500003000500000038001300005050001400018082001900032100003500051245006100086260004900147300001600196NUST  aM.Sohail  a629.13634  a629.13634bICE  aInstitute of Civil Engineering  aAircraft Pavement DesigncInstitute of Civil Engineering  aLondonbInstitute of Civil Engineeringc1971  aP;113c23cm