TY  - BOOK
AU  - Hughes,D.R.
AU  - Hughes,D.R.
AU  - Piper,F.C.
TI  - Projective planes
SN  - 0387900438
PY  - 1973///]
CY  - New York
PB  - Springer-Verlag
KW  - Geometry, Projective
KW  - Rings (Algebra)
ER  -