Lot of 4 Books on Mathematics, Engineering - Springer Dover Riemannian Geometry

Grassmannian Geometry of Scattering Amplitudes by Alexander Goncharov, ...

Grassmannian Geometry of Scattering Amplitudes - 9781107086586

KISELEV'S GEOMETRY, BOOK I. PLANIMETRY By A. P. Kiselev & Alexander Givental

Elementary Geometry for College Students by Alexander, Daniel C.

Elementary Geometry for College Students 6E Cengage Koeberlein & Alexander-B8

Grassmannian Geometry of Scattering Amplitudes Arkani-Hamed Bourjaily Cachazo

Grassmannian Geometry of Scattering Amplitudes, Hardcover by Arkani-hamed, Ni...