Blocking and deblocking variable length records in a direct access file
Journal of library automation
[June 1975]
Newman, William L~Coxford, Frank H
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Abstract: Subroutines which provide efficient access to a directly organized file by blocking and deblocking variable length bibliographic records are described. Design of these subroutines was accomplished by simulating the acquisitions and cataloging in-process file in the original in blocked mode, and then with various blocking strategies. A reduction in overall computer hardware charges has been achieved through the use of these subroutines.
https://librarytechnology.org/document/2092/