1. K. Bekka, C-régularité et trivialité topologique, in Singularity Theory and Its Applications, Part I (Coventry, 1988/1989). Lecture Notes in Mathematical, vol. 1462 (Springer, Berlin, 1991), pp. 42–62
2. L. Birbrair, A. Fernandes, J.E. Sampaio, M. Verbitsky, Multiplicity of singularities is not a bi-lipschitz invariant. Math. Annalen 377, 115–121 (2020)
3. J. Briançon, J.-P. Speder, La trivialité topologique n’implique pas les conditions de Whitney. C. R. Acad. Sci. Paris Sér. A-B 280(6), Aiii, A365–A367 (1975)
4. H. Brodersen, D. Trotman, Whitney (b)-regularity is weaker than Kuo’s ratio test for real algebraic stratifications. Math. Scand. 45(1), 27–34 (1979)
5. G. Comte, Multiplicity of complex analytic sets and bi-Lipschitz maps, in Real analytic and Algebraic Singularities (Nagoya/Sapporo/Hachioji, 1996). Pitman Research Notes in Mathematics Series, vol. 381 (Longman, Harlow, 1998), pp. 182–188