TY  - BOOK
AU  - Stevenson, Frederick
AU  - 
TI  - Projective planes
U1  - 513.1 
PY  - 1972///
CY  - San Francisco
PB  - W H Freeman
KW  - Mathematics
KW  - Number theory
KW  - Set theory
KW  - Group theory
KW  - Algebraic geometry
KW  - Geometry
KW  - Mathematical sciences
KW  - Algebra co-ordinate geometry
KW  - projective planes
N1  -  Bibliog p. 403-407
ER  -