A survey of flaws near welds detected by side angle ultrasound examination of anhydrous ammonia nurse tanks von Russell, A.M., Becker, A.T., Chumbley, L.S., Enyart, D.A., Bowersox, B.L., Hanigan, T.W., Labbe, J.L., Moran, J.S., Spicher, E.L., Zhong, L.

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