information-retrieval systems: characteristics, testing and evaluation Avtomatizirovannye informat︠s︡ionno-poiskovye sistemy. English Lancaster, F. Wilfrid Information storage and retrieval systems. .B3813 010.78 LAI Translation of Avtomatizirovannye informat︠s︡ionno-poiskovye sistemy. Bibliography: p. 147-[153] New York : John Wiley & sons, 1968. 1968. 1968 Text 155 p. eng engrus