User charge estimation in numeric online databases : a methodology
Kalervo Järvelin, Tampereen yliopisto (Publisher)
Thesis, Dissertation, English, 1986
University of Tampere, Tampere, 1986
Acta Universitatis Tamperensis, vol. 212
rozprawy akademickie
[14], 33, [119] stron : ilustracje ; 26 cm.
9789514420146, 9514420144
1164123314