Modeling and measuring Natural Resource Substitution / edited by ErnstR. Berndt .-- Cambridge (Mass.), etc. : M.I.T. , 1981
.--VII, 314 p. 24 cm.
Revision of papers origunally presented at a conference held in Key Biscarque Fla., 1979
0262060787
ASPECTOS ECONOMICOS
CONSERVACION
RECURSOS NATURALES
Berndt, Ernst R.