TY - CONF T1 - On the use of a lower frequency in finite-difference simulations for urban radio coverage JO - 2008 IEEE 67TH VEHICULAR TECHNOLOGY CONFERENCE-SPRING, VOLS 1-7 PY - 2008/01/01 AU - Rial AV AU - De La Roche G AU - Zhang J ED - SP - 270 EP - 274 Y2 - 2024/12/22 ER -