00278nam a2200109Ia 4500008004100000041001200041100001600053245007000069260000600139650000600145700001700151221030s9999    xx            000 0 und d  aEnglish  aJ. G. Henry 0aEnvironmental Science & Engineeringcby J. G. Henry, G. W. Heinke  c0  aB  aG. W. Heinke