TY  - BOOK
AU  - Loomis,Elisha Scott
TI  - The pythagorean proposition: : its demonstrations analyzed and classified and bibliography of sources for data of the four kinds of "proofs"
AV  - QA460.P8L6 
PY  - 1968///
CY  - Washington
PB  - National Council of Teachers of Mathematics
KW  - Pythagorean theorem
ER  -