Information retrieval: on-line / [by] F.W. Lancaster and E.G. Fayen.

by Lancaster, F. Wilfrid 1933-2013., Fayen, Emily Gallup
Published 1973

Information storage and retrieval: tools, elements, theories / [by] Joseph Becker [and] Robert M. Hayes.

by Becker, Joseph., Hayes, Robert M. 1926-2022
Published 1963