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1BookPublished 1969Other Authors: “…Flack, J. Ernest (John Ernest), 1929-…”
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2Conference Proceeding BookPublished 1975Other Authors: “…Flack, J. Ernest (John Ernest), 1929-…”
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3Conference Proceeding BookPublished 1968Other Authors: “…Flack, J. Ernest (John Ernest), 1929-…”