00317nam a2200121Ia 4500008004100000082001800041100002200059245003500081260002600116300001200142600001600154650002500170140224s9999    xx            000 0 und d  a33:551.588 M1  aButlin, J.A., ed.  aEconomics and resources policy  aLondonbLongmanc1981  ax,206p.  aJ.A. Butlin  aEnvironmental policy