Osborne، Peter (2013). "Chapters 5,6". The Mercator Projections. DOI:10.5281/zenodo.35392. for LaTeX code and figures.
handle.net
hdl.handle.net
Rapp، Richard H. (1991). "Chapter 3". Geometric Geodesy, Part I. Columbus, OH: Dept. of Geodetic Science and Surveying, Ohio State Univ. مؤرشف من الأصل في 2019-12-10.
Rapp، Richard H. (1991). "Chapter 3". Geometric Geodesy, Part I. Columbus, OH: Dept. of Geodetic Science and Surveying, Ohio State Univ. مؤرشف من الأصل في 2019-12-10.