TY  - BOOK
AU  - 
TI  - Collapse: : How Societies Choose to Fail or Succeed
SN  - 978-0-14-311700-1
U1  - 304.2 
PY  - 2006///
CY  - New York: 
PB  - Pinguine Book, 
KW  - Cambio Social
N1  - Part one: Moderm Montana Part two: past societies Part tree Modern societies Part four: practical lessons Acknowledgments Further readings; 2006
UR  - https://drive.google.com/file/d/1JyswRUX2EfYufCippKEzModeAQLc2HmJ/view?usp=sharing
ER  -