The Classification of Quadrilaterals: A Study of Definition/
Usiskin, Zalman
The Classification of Quadrilaterals: A Study of Definition/ Zalman Usiskin and Jennifer Griffin - Information Age Publishing, 2008 - xvi;104p.
9781593116941
Quadrilaterals
The Classification of Quadrilaterals: A Study of Definition/ Zalman Usiskin and Jennifer Griffin - Information Age Publishing, 2008 - xvi;104p.
9781593116941
Quadrilaterals