Information retrieval
VAN RIJSBERGEN, C.J
Information retrieval - 2nd ed - London 1979 - 208p
INFORMATION STORAGE AND RETRIEVAL SYSTEMS
INFORMATION STORAGE AND RETRIEVAL SYSTEM
029.7 V19-I
Information retrieval - 2nd ed - London 1979 - 208p
INFORMATION STORAGE AND RETRIEVAL SYSTEMS
INFORMATION STORAGE AND RETRIEVAL SYSTEM
029.7 V19-I