00409nam a2200109Ia 450000500170000000800410001702000220005805000170008010000240009724501170012126000610023820251229125115.0251229s9999    xx            000 0 und d  a978-0-444-41611-7  aTD 170.2 .J3  aJames, David Edward 0aEconomic approaches to environmental problemsb Techniques and results of empirical analysiscDavid Edward James  aAmsterdamb Elsevier scientific publishing companyc1978