Authors: RUHL TA TRNAVSKIS B

Citation: Ta. Ruhl et B. Trnavskis, AIRPORT TRIP GENERATION, ITE journal, 68(5), 1998, pp. 24

Authors: RUHL TA ROMANA M RAMOS RF SPIDLE C

Citation: Ta. Ruhl et al., ASSESSING POTENTIAL FOR SUPERHUB AIRPORT FOR CALIFORNIA, Journal of transportation engineering, 119(5), 1993, pp. 667-680