> Multivolume work
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2:
Environmental valuation 2 Multi-attribute programmes, validity, allocation issues and case studies ed. by Kenneth G. Willis
Cheltenham, UK [u.a.]: Elgar, 19XX-
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1:
Environmental valuation 1 Methods and anomalies ed. by Kenneth G. Willis
Cheltenham, UK [u.a.]: Elgar, 19XX-