Gray,, Peter M. D.
Logic, algebra and databases / Peter M. D. Gray
Logic, algebra and databases / Peter M. D. Gray
. - Chichester : Ellis Horwood, imp. 1985
. - 294 p. : il. 24 cm
. - (Ellis Horwood series in computers and their applications)
0-85312-709-3 Brochado
681.3