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Mathematics - Applied Mathematics
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Engineering - Environmental
Handbook of Environmental Engineering 1st Edition Frank R Spellman
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Engineering
Handbook of Mathematics and Statistics for the Environment 1st Edition Frank R. Spellman
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Engineering
Handbook of Water and Wastewater Treatment Plant Operations 3rd Edition Frank R. Spellman
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Earth Sciences - Geology
The Science of Rare Earth Elements Concepts and Applications Frank R. Spellman
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