Permanence and durability of library catalog cards;
a study conducted by W.J. Barrow for the Library Technology Project.

APA Citation

Library Technology Project (American Library Association)., Barrow, W. J. (William James). (1961). Permanence and durability of library catalog cards: a study conducted by W.J. Barrow for the Library Technology Project. Chicago.

MLA Citation

Library Technology Project (American Library Association), and W. J. (William James) Barrow. Permanence And Durability of Library Catalog Cards: a Study Conducted by W.J. Barrow for the Library Technology Project. Chicago, 1961.

Warning: These citations may not always be complete (especially for serials).