by Tummalapudi, Manideep, M. Harper, Christofer, Taylor, Timothy R.B., Waddle, Steve, Catchings, Rachel
Published in Transportation research record (01.09.2022)

by Tran, Dai Q, Harper, Christofer M, Smadi, Adi M, Mohamed, Mamdouh
Published in Engineering, construction, and architectural management (08.10.2020)

by Tran, Dai Q., Harper, Christofer M., Molenaar, Keith R., Haddad, Nabil F., Scholfield, Mark M.
Published in Transportation research record (2013)

by Harper, Christofer M., Tran, Daniel, Jaselskis, Edward
Published in Transportation research record (01.09.2020)

by Parajuli, Manish, Harper, Christofer M., Senior, Bolivar, Grigg, Neil
Published in Transportation research record (01.02.2022)

by Le, Nhien Dinh, Tran, Daniel, Harper, Christofer M., Sturgill, Roy E.
Published in Transportation research record (27.07.2024)

by TRAN, Dai Q, HARPER, Christofer M, MOLENAAR, Keith R, HADDAD, Nabil F, SCHOLFIELD, Mark M
Published in Transportation research record (2013)