Quasifibrations. Jha, V.; Johnson, N.L. — 1996 Bulletin of the Belgian Mathematical Society - Simon Stevin
On collineation groups of translation planes of order q 4 . Jha, V.; Johnson, N.L. — 1986 International Journal of Mathematics and Mathematical Sciences
The classification of spreads in P G ( 3 , q ) admitting linear groups of order q ( q + 1 ) . II: Even order. Jha, V.; Johnson, N. L. — 2003 Advances in Geometry