Methods of measurement on radio receivers for various classes of emission - Part 4: Receivers for frequency-modulated sound broadcasting emissions (IEC 60315-4:1997); German version EN 60315-4:1998
各类发射用无线电接收机的测量方法.第4部分:调频声音广播发射用接收机(IEC 60315-4-1997);德文版EN 60315-4:1998