By McHaina D.M.   Januszewski S.   Hallam R.L.   in International Journal of Surface Mining, Reclamation and Environment

ISSN:1389-5265|15|2|123-140

Taylor & Francis Ltd‎(2001)‎

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By Januszewski S.I.   Köke J.   Winter J.K.   in Research in Economics

ISSN:1090-9443|56|3|299-332

Academic Press‎(2002)‎

Access to resources Favorite 1.981429