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1
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2Published 1993“...Gale Research International,...”
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3Published 1986“...CBD Research ; Gale Research Co.,...”
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4
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5Published 1971“...CBD Research Ltd. ; Gale Research Co.,...”
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6Published 1979“...Saur ; Distributed by Gale Research Co.,...”
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7Published 1980“...Saur ; Distributed by Gale Research Co.,...”
Book