00440nam a2200145Ia 4500008004100000020001500041082001900056100001900075245007800094260006000172300000800232650001400240650002000254653002000274170901s1975    xx            000 0 und d  a0444413162  a333.9104bF92G  aFried, Jean J. 0aGroundwater PollutionbTheory, Methodology, Modelling and Practical Rules  aAmsterdambElsevier Scientific Publishing Companyc1975  a330  aEconomics  aSocial sciences  aWater pollution