%0 Thesis %B ASCE Journal of Construction Engineering and Management, Vol. 128, no.6, pp 463-472 %D 2002 %T Partial Factor Productivity and Equipment Technology Change at the Activity Level in the U.S. Construction Industry %A Goodrum, P. %A Haas, C. %B ASCE Journal of Construction Engineering and Management, Vol. 128, no.6, pp 463-472 %G eng