AuthorMapper
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ASTM e-Books (American Society of Testing Materials)
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ASEAN CITATION INDEX (ACI)
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Annual Reviews
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Alexander Street (Music & Performing Arts)
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ACS Publications (American Chemical Society)
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ACM Digital Library ( Association for Computing Machinery)
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Adis ( Australasian Drug Information Services)
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APS Journals (American Physical Society)
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AIP Publishing (American Institute of Physics)
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ASM Journals (American Society for Microbiology)
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ACCESS Medicine
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