TY  - BOOK
AU  - Slaught, Herbert Ellsworth
AU  - Lennes, Nels Johann
TI  - Plane geometry: with problems and applications 
AV  - QA 455 S58p
PY  - 1918///
CY  - Boston
PB  - Allyn and Bacon
KW  - Geometría plana
ER  -