Joseph A. Thas. Symplectic spreads in PG(3, q), inversive planes and projective planes. Discrete Mathematics, 174(1-3):329-336, 1997. [doi]
@article{Thas97:0,
title = {Symplectic spreads in PG(3, q), inversive planes and projective planes},
author = {Joseph A. Thas},
year = {1997},
doi = {10.1016/S0012-365X(96)00345-7},
url = {http://dx.doi.org/10.1016/S0012-365X(96)00345-7},
researchr = {https://researchr.org/publication/Thas97%3A0},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {174},
number = {1-3},
pages = {329-336},
}