00308nam a2200109Ia 4500008004100000022001900041040002500060082001700085100002100102245003700123260003800160240215s9999    xx            000 0 und d  a 0-521-78389-5  aNORSU-DumcNORSU-Dum  a418/G19/2002  a Barbara Garside 0aEssential telephoning in english  b Cambridge University Pressc2002