ISBN 9781018501406 books & textbook
A Treatise On Spherical Trigonometry: With Applications to Spherical Geometry and Numerous Examples, Part 2
Preston, Thomas M'Clelland, William J
Legare Street Press /2022-10-27 Paperback / 204 Pages
isbn-10: 1018501401 / isbn-13: 9781018501406
