TY  - BOOK
AU  - Holzinger, Philip R.,
TI  - The earth and how it works: A lab manual and workbook with teaching ideas, projects, and activities in environmental science 
T2  - The prentice-hall science education series
SN  - 0132234475
AV  - QE44 H65
PY  - 1985///
CY  - Englewood cliffs, new jersey
PB  - Prentice Hall
KW  - Ciencias de la tierra
KW  - Manuales de laboratorio
N1  - "a spectrum book"
ER  -