@article{GDZPPN002197545,
title = {Quadratic forms associated with projective modules over quaternion algebras.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {316},
year = {1980},
pages = {20-31},
zbl = {0426.10022},
url = {http://dml.mathdoc.fr/item/GDZPPN002197545}
}
Knus, M.-A.; Raman, Parimala. Quadratic forms associated with projective modules over quaternion algebras.. Journal für die reine und angewandte Mathematik, Tome 316 (1980) pp. 20-31. http://gdmltest.u-ga.fr/item/GDZPPN002197545/