The From Clause.

Richard T. Snodgrass, Christian S. Jensen, Fabio Grandi: The From Clause. The TSQL2 Temporal Query Language 1995: 243-248

@incollection{DBLP:books/kl/snodgrass95/SnodgrassJG95a,
  author    = {Richard T. Snodgrass and
               Christian S. Jensen and
               Fabio Grandi},
  title     = {The From Clause},
  booktitle = {The TSQL2 Temporal Query Language},
  year      = {1995},
  pages     = {243-248},
  ee        = {db/books/collections/snodgrass95/SnodgrassJG95a.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

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