APA Style
Marsh, William M., Varma, A. K.. ().
Trend in subject indexing .
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Chicago Style
Marsh, William M., Varma, A. K..
Trend in subject indexing.
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MLA Style
Marsh, William M., Varma, A. K..
Trend in subject indexing.
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Turabian Style
Marsh, William M., Varma, A. K..
Trend in subject indexing.
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