00403pamaa2200145 4500 0000024720 20060508090000.0 0132282224 910.202 SEM G151 SEM 1997 SEMER-PURZYCKI International travel, fares, and ticketing Jeanne Semer-Purzycki. New Jersey: Prentice Hall, 1997. xi, 337p.: ill.; 30cm. Travel