TY  - BOOK
AU  - von Weizs�acker,Ernst U.
AU  - Lovins,Amory B.
AU  - Lovins,L.Hunter
ED  - Club of Rome.
TI  - Factor four: doubling wealth - halving resource use : the new report to the Club of Rome 
SN  - 1853834068 (pbk.)
PY  - 1997///
CY  - London
PB  - Earthscan Publications
KW  - Energy conservation
KW  - Conservation of natural resources
KW  - Economic development
KW  - Power resources
N1  - Includes index; Includes bibliographical references
ER  -