1990 | ||
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2 | EE | Andrew Westlake, I. Kleinschmidt: The Implementation of Area and Membership Retrievals in Point Geography using SQL. SSDBM 1990: 200-218 |
1 | EE | Andrew Westlake, I. Kleinschmidt: The Implementation of Area and Membership Retrievals in Point Geography Using SQL. IEEE Data Eng. Bull. 13(3): 4-11 (1990) |
1 | Andrew Westlake | [1] [2] |