?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4868%2F&rft.title=Implementation+of+Environmental+Policy+in+the+Katowice+Administrative+Region%3A+A+Cause+for+Concern%3F&rft.creator=Welch%2C+E.W.&rft.publisher=WP-96-161&rft.date=1996-12&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4868%2F1%2FWP-96-161.pdf&rft.identifier=++Welch%2C+E.W.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1656.html%3E++(1996).++Implementation+of+Environmental+Policy+in+the+Katowice+Administrative+Region%3A+A+Cause+for+Concern%3F+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-96-161+++++