Nick Kline, Richard T. Snodgrass, T. Y. Cliff Leung. Aggregates. In The TSQL2 Temporal Query Language. pages 393-424, 1995. [doi]
@incollection{KlineSL95,
title = {Aggregates},
author = {Nick Kline and Richard T. Snodgrass and T. Y. Cliff Leung},
year = {1995},
researchr = {https://researchr.org/publication/KlineSL95},
cites = {0},
citedby = {0},
pages = {393-424},
booktitle = {The TSQL2 Temporal Query Language},
}