TY  - GEN
AU  - Alsina, Claudi
AU  - Nelsen, Roger B. 
TI  - Cornucopia of quadrilaterals
SN  - 9781470453121
U1  - 516 .154 
PY  - 2020///
CY  - Providence, Rhode Island: 
PB  - MAA Press
KW  - Mathematics
KW  - Geometry
KW  - Quadrilaterals
ER  -