TY  - BOOK
AU  - PENNA Anthony N
TI  - Human footprint:  A global environmental history   
SN  - 9781118912461
U1  - U:(G:5)v, Q0;Q5 
PY  - 2015///
CY  - Chichester
PB  - Wiley Blackwell         
KW  - Economics
N1  - Appendix: p 518-526
ER  -