1. Baarda W. (1968). “A testing procedure for use in geodetic networks.” Netherlands Geodetic Comm. Publ. on Geod. Delft The Netherlands New Series 2 No. 5.
2. Barrodale I. and Roberts F. D. K. (1972). “Solution of an over-determined system of equations in the L 1 norm.” Math. Rep. 69 Univ. of Victoria Victoria B.C. Canada.
3. Barrodale I. and Roberts F. D. K. (1973). “An improved algorithm for discrete L 1 linear approximation.” SIAM J. Numer. Anal. 10(5) 839–848.
4. Barrodale I. and Young A. (1966). “Algorithms for best L 1 and L ∞ linear approximation on a discrete set.” Numerishe Mathematik 8 Berlin Germany 295–306.
5. Brown J. and Bethel J. (1991). “Blunder detection in a small geodetic network.” Proc. Am. Congr. on Surv. and Mapping .