TY  - BOOK
AU  - Whicher,Olive
TI  - Projective geometry: creative polarities in space and time 
SN  - 9781855843790 (pbk.)
PY  - 1971///
CY  - London
PB  - Rudolf Steiner Press
KW  - Geometry, Projective
N1  - Includes index; Includes bibliographic references
ER  -