Cocheba, J. Donald. Langford, A. William.
The wildlife valuation problem: critical review of economic approaches William A. Langford, Donald J. Cocheba - Canada Canadian wildlife service 1978 - 37 p.
0-662-01546-0
590.971 / CAN
The wildlife valuation problem: critical review of economic approaches William A. Langford, Donald J. Cocheba - Canada Canadian wildlife service 1978 - 37 p.
0-662-01546-0
590.971 / CAN