Valid-Time Selection and Projection.

Suchen H. Hsu, Christian S. Jensen, Richard T. Snodgrass: Valid-Time Selection and Projection. The TSQL2 Temporal Query Language 1995: 249-296

@incollection{DBLP:books/kl/snodgrass95/HsuJS95,
  author    = {Suchen H. Hsu and
               Christian S. Jensen and
               Richard T. Snodgrass},
  title     = {Valid-Time Selection and Projection},
  booktitle = {The TSQL2 Temporal Query Language},
  year      = {1995},
  pages     = {249-296},
  ee        = {db/books/collections/snodgrass95/HsuJS95.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

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