A comparison of the tesseroid, prism and point-mass approaches for mass reductions in gravity field modelling

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Optimized formulas for the gravitational field of a tesseroid (2013, methodology): “As noted in Heck and Seitz (2007), special care should be taken when applying the Taylor series approach for tesseroids in the near zone around the computation point P which is particularly the case for terrestrial applications.”
Tesseroids: Forward-modeling gravitational fields in spherical coordinates (2016, methodology): “Approaches to this numerical integration include the Taylor-series expansion (Heck and Seitz, 2007; Grombein et al., 2013) and the Gauss-Legendre quadrature (GLQ) (Asgharzadeh et al.”
Fast nonlinear gravity inversion in spherical coordinates with application to the South American Moho (2017, background): “Two alternatives proposed in the literature to the numerical solution are Taylor series expansion (Heck & Seitz 2007; Grombein et al. 2013) and the Gauss-Legendre Quadrature (Asgharzadeh et al. 2007).”