TY  - BOOK
AU  - Smil,Vaclav;
TI  - Cycles of Life.Civilization and the Biosphere
SN  - 0716760398
U1  - 574.5 SMI 2001. 
PY  - 2001///
CY  - New York.
PB  - Scientific American Library.
KW  - Biology
N1  - includes index
ER  -