TY  - BOOK
AU  - Hughes, D. R.
AU  - Piper, F. C.
TI  - PROJECTIVE PLANES
U1  - 512.53 
PY  - 1973///
CY  - New York
PB  - Springer-Verlag
KW  - Projective Planes
KW  - Mathematics -- Problems, Exercises, Etc
N1  - Bibliographical References
ER  -