Affine maps, euclidean motions and quadrics por Reventós i Tarrida, Agustí

Available for UP System via Springer Link.

Affine and projective geometry por Bennett, M. K.

Available for University of the Philippines Diliman via Wiley Online Library. Click here to access

Affine and projective geometry por Bennett, M. K.

Available for University of the Philippines Baguio via Wiley Online Library. Click here to access

Affine planes with transitive collineation groups por Kallaher, M. J.

Geometry and symmetry por Yale, Paul B.

On the existence of desarguesian planes satisfying a condition of Suetake por Maharjan, Hira B.