Kuijpers, B., Kuper, G., & Paredaens, J. (2007). First-order languages expressing constructible spatial database queries. SIAM Journal on Computing, 36(6), 1570. https://doi.org/10.1137/S0097539702407199
Chicago Style (17th ed.) CitationKuijpers, Bart, Gabriel Kuper, and Jan Paredaens. "First-order Languages Expressing Constructible Spatial Database Queries." SIAM Journal on Computing 36, no. 6 (2007): 1570. https://doi.org/10.1137/S0097539702407199.
MLA (9th ed.) CitationKuijpers, Bart, et al. "First-order Languages Expressing Constructible Spatial Database Queries." SIAM Journal on Computing, vol. 36, no. 6, 2007, p. 1570, https://doi.org/10.1137/S0097539702407199.
Warning: These citations may not always be 100% accurate.