00340nam a2200121Ia 450000500170000000800410001702000150005805000150007310000150008824500510010326000400015465000240019420251229124503.0251229s9999    xx            000 0 und d  a0408003553  aTA 705 .B4  aBell, F.G. 0aEngineering Geology & Geotechniques.cF.G Bell  aLondonb Newness-Butterworthsc1980  aEngineering Geology