Börje Langefors Comments on a paper by Biller and Neuhold: Semantics of data Bases: The semantics of data models. [Citation Graph (1, 0)][DBLP] Inf. Syst., 1978, v:3, n:1, pp:31-34 [Journal]
Horst Biller, Erich J. Neuhold Remarks on the comments of B. Langefors on our paper - Semantics of data bases: The semantics of data models. [Citation Graph (2, 0)][DBLP] Inf. Syst., 1978, v:3, n:1, pp:35-36 [Journal]