This paper discusses how to code USMARC records for electronic resources in leader/06(Type of record) and computer files 008/26 and 006/09(Type of computer file).
吕肖华,郑雯译. 电子资源USMARC记录头标/06及008/26、006/09的标识[J]. 现代图书情报技术, 2001, 17(6): 70-71.
Lu Xiaohua,Zheng Wenyi. Coding for Electronic Resources in Leader/06,008/26 and 006/09. New Technology of Library and Information Service, 2001, 17(6): 70-71.