TY  - BOOK
AU  - Lappan Glenda(et al...)
TI  - Thinking with Mathematical Models: Representing relationships 
SN  - 1572321784
AV  - QA154.3 .T45 1998
PY  - 1998///
CY  - michigan.
PB  - dale seymuor .
KW  - mathematics
KW  - models
N1  - includes index and glossary
ER  -