TY  - BOOK
AU  - Krogh, David.
TI  - Biology: : guide to the natural world 
SN  - 013090726X
U1  - 574  2
PY  - 2002///
CY  - New Jersey
PB  - Prentice Hall
KW  - Energy and its transformations
KW  - Water ph and biological molecules
ER  -