TY  - BOOK
ED  - Instituto Geologico y Minero de Espana
TI  - Economic and social value of the Magna Plan: geological map of Spain at a scale of 1:50:000 = Economica y social del Plan Magna : de cartografia geologica a escala 1:50:000 
SN  - 9788478406135
U1  - 553.6 23
PY  - 2005///.
CY  - Madrid: 
PB  - Instituto Geologico y Minero de Espana, 
KW  - Environmental economics
KW  - Economic policy
N1  - Includes bibliographical references (p. 50-51)
ER  -