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		No cover image available Regional Field Study Design For Evaluation Of Eulerian Acidic Deposition Models by HANSEN, D A Epa Publication details: 1987 Availability: Items available for loan: NCAR Library (1)Call number: PB88103007. Place hold
		No cover image available Examination of the Basis for Trend Interpretation of Historical Rain Chemistry in the Eastern United States. by Hansen, D A Hidy, G M Environmental Research & Technology, Inc 1981 Availability: Items available for loan: NCAR Library (1)Call number: 28275. Place hold

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