TY  - BOOK
AU  - Doug, Clements
AU  - Tierney
TI  - 2-D Geometry Picturing Polygons
SN  - 1572327979
AV  - QA 135.5 .D35 1988 
PY  - 1988///
CY  - New York
PB  - Dale seymour
KW  - Mathematics
ER  -