Data element catalogue for bibliographic data; data element catalogue for the description of projects
书目数据的数据元目录；用于项目描述的数据元素目录

1989-10-01

Data element catalogue for bibliographic data; data element catalogue for the description of institutions
书目数据的数据元目录；用于描述机构的数据元素目录

1988-09-01

Data element catalogue for bibliographic data; concepts and presentation
书目数据的数据元目录；概念和介绍

1984-01-01

Data element catalogue for bibliographic data; systematic part
书目数据的数据元目录；系统部分

1985-05-01

Data element catalogue for bibliographic data; codes for entries for data categories
书目数据的数据元目录；数据类别的条目代码

1987-05-01

Data element catalogue for bibliographic data; indicator for the processing of categories
书目数据的数据元目录；类别处理指标

1990-02-01