"walsh, j e. "
principles of data processing: / j.e. walsh - 1 ed. - canada : pitman 1968. - ", 279p.; 28 cm."
hard cover
--
651. 8 wal
principles of data processing: / j.e. walsh - 1 ed. - canada : pitman 1968. - ", 279p.; 28 cm."
hard cover
--
651. 8 wal