A coordinate card index with a capacity of 200,000 documents

Abstract

Over the past two decades three main types of coordinate card indexes have come into use: the Uniterm index, the Optical Coincidence index, and the Edge‐notched index.

Citation

Crosby, T. (1974), "A coordinate card index with a capacity of 200,000 documents", Aslib Proceedings, Vol. 26 No. 9, pp. 377-379. https://doi.org/10.1108/eb050472