File Structures on Line Systems by David Lefkovitz (9 results)

Hard Cover. Condition: Very Good. No Jacket. Green cloth boards have only slight wear. Pages are clean, text has no markings, binding is sound. Size: 8vo - over 7¾" - 9¾" tall.

Hardcover. Condition: Near Fine. Original black cloth. Near Fine in Very Good Dust Jacket with a small spot on the front cover and slight edge wear.

Hardcover. Condition: Good. Light wear to boards. Content is clean with minor age tone. DJ with some edge wear, fading to spine and creasing.

Cloth w/DJ. Condition: VG/G. Diagrams (illustrator). New York, NY: Spartan Books. VG/G. (1969). . Cloth w/DJ. Sm 4to., 215 pp., DJ rubbed, frayed, shelfwear .

Hardcover. Condition: Near Fine. Dust Jacket Condition: Very Good. 2nd ptg. Near fine in very good dust jacket. Signed. Name on front free endpaper/ cloth corners and spine ends lightly rubbed/ dust jacket faded at edges, some chipping and rubs.

Hard Cover. Condition: Fine. Dust Jacket Condition: Fine-. 215 pages. "This design-oriented book is the derivative of a series of lectures recently given by the author and sponsored by the Professional Development Seminars of the Assocation for Computing Machinery. The text includes a discussion of the funational requirements of automated information systems and how they relate to file structures, query processors, directory generation, and searching and updating. It thoroughly establishes formulations of estimating memory requirements and access and update speeds." FINE HARDCOVER, previous owner's note present on front blank endpaper, else no underlining or other wear. FINE- DUST JACKET. Size: 8vo - over 7¾" - 9¾" tall.

Condition: Good. Good condition. Good dust jacket. (Information Systems, Data Processing, Computers) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.

Hardcover. Condition: Bon. Ancien livre de bibliothèque. Traces d'usure sur la couverture. Couverture différente. Edition 1969. Ammareal reverse jusqu'à 15% du prix net de cet article à des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Good. Former library book. Signs of wear on the cover. Different cover. Edition 1969. Ammareal gives back up to 15% of this item's net price to charity organizations.

hardcover. Condition: Good. Good. book.