On-line bibliographic data bases 1979 directory
Hall, J L
On-line bibliographic data bases 1979 directory - London: ASLIB, 1979 - x, 94p.
0-85142-115-6
Directory
D 681.3.022(058.7) / L9
On-line bibliographic data bases 1979 directory - London: ASLIB, 1979 - x, 94p.
0-85142-115-6
Directory
D 681.3.022(058.7) / L9