Wildness areas - Economic aspects - Mathematical models.

[NT 60487] Overview

[NT 60478] Works:	1 [NT 60520] works in 1 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

The costs of congestion : an econometric analysis of wilderness recreation [NT 59711] by: Smith, V. Kerry; Cicchetti, Charles J. ([NT 1579] Language materials, printed)