Jack Campin, Norman W. Paton, M. Howard Williams. A structured specification of an active database system. Information \& Software Technology, 37(1):47-61, 1995. [doi]
@article{CampinPW95,
title = {A structured specification of an active database system},
author = {Jack Campin and Norman W. Paton and M. Howard Williams},
year = {1995},
doi = {10.1016/0950-5849(94)00013-I},
url = {http://dx.doi.org/10.1016/0950-5849(94)00013-I},
researchr = {https://researchr.org/publication/CampinPW95},
cites = {0},
citedby = {0},
journal = {Information \& Software Technology},
volume = {37},
number = {1},
pages = {47-61},
}