Development of a decision model for the economical retrospective machine-searching of CA condensates bases on subdividing the file on a subject basis
By: Bahaa E.A. El-Hadidy.
Publisher: Xerox University Microfilms
Published: 1974
Place of publication: Ann Arbor, Mich
Language: eng
Format: Microform
Subjects: Chemical abstracts.; Information retrieval.; Online bibliographic searching.
Notes: Thesis (Ph.D.)--University of Pittsburgh, 1974.

Includes bibliography.