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aEngineering Experiment Station, Georgia Institute of Technology, Atlanta, Georgia
2
Present address, E. I. du Pont de Nemours and Co., Inc., Wilmington, Delaware.
1
The work reported herein was conducted at the Georgia Institute of Technology Engineering Experiment Station through the sponsorship of the Chemical Corps, Camp Detrick, Frederick, Maryland, under Contract No. DA-18-064-CML-39. Reproduction of this article in whole or in part is permitted for any purpose of the United States Government.