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1
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2Published 1981“...Dept. of Scientific and Industrial Research,...”
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3Published 1973“...Dept. of Scientific and Industrial Research,...”
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4
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5by Norris, Robert M. (Robert Matheson), 1921-“...N.Z. Dept. of Scientific and Industrial Research,...”
Published 1978
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6Published 1986“...N.Z. Dept. of Scientific and Industrial Research,...”
Book