TY  - BOOK
AU  - Hughes, D. R. and Piper, F. C.
AU  - Piper, F. C. ; jt. auth.
TI  - Projective planes
T2  - Graduate texts in Mathematics
U1  - 516 
PY  - 1973///
CY  - New York
PB  - Springer-Verlag
ER  -