TY  - BOOK
AU  - Henderson,Kenneth B.
AU  - Pingry,Robert E.
AU  - Robinson,George A.
AU  - Gordon,Ramón
TI  - Modern geometry its structure and function
PY  - 1962///
CY  - New York : 
PB  - McGraw-Hill Book Company, 
KW  - Geometria
ER  -