00397nam a2200133Ia 4500003000400000008004100004020002600045040000800071100001800079245009400097260004700191300001400238365001100252LDD181029s9999    xx            000 0 und d  a9780300090123c35.00  cLDD  aClark, Tim W. 4aThe policy progress p a practical guide for natural resources professionalscTim W. Clark  aUnited StatesbYale University Pressc2002  axii , 215  b35.00