International journal of communication systems. 1989;2(1):13-28. doi: 10.1002/dac.4520020103 Q31.82025
BERKOM: The first broadband isdn exchange and transmission system in Berlin
BERKOM:柏林首个宽带ISDN交换与传输系统
DOI: 10.1002/dac.4520020103
摘要
International journal of communication systems. 1989;2(1):13-28. doi: 10.1002/dac.4520020103 Q31.82025
DOI: 10.1002/dac.4520020103
摘要