TY  - BOOK
AU  - Harte,John
TI  - Consider a spherical cow: A course in environmental problem solving 
SN  - 093570258x
AV  - QH541.15.M34 H37 1988
PY  - 1988///
CY  - Mill valley, california
PB  - University science books
KW  - Ecología
KW  - Matemáticas
KW  - Problemas, ejercicios, etc
ER  -