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  篇名 作者 主题词 文摘
          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z    
     
 
ASTM International  ( 12 Titles / 10,276 Abstracts )
Academic Journals  ( 110 Titles / 4,624 Abstracts )
Academic Press  ( 9 Titles / 7,156 Abstracts )
Academy Publisher  ( 12 Titles / 664 Abstracts )
Access Intelligence  ( 8 Titles / 3,373 Abstracts )
Adams Business Media  ( 10 Titles / 1,513 Abstracts )
Adis International  ( 6 Titles / 15,210 Abstracts )
Advanstar Communications, Inc  ( 35 Titles / 26,548 Abstracts )
Akademiai Kiado  ( 12 Titles / 335 Abstracts )
American Academy of Arts & Sciences  ( 5 Titles / 187 Abstracts )
American Academy of Pediatrics  ( 5 Titles / 20,207 Abstracts )
American Accounting Association  ( 15 Titles / 565 Abstracts )
American Bar Association  ( 15 Titles / 4,093 Abstracts )
American Chemical Society  ( 45 Titles / 920,049 Abstracts )
American Economic Association  ( 7 Titles / 1,947 Abstracts )
American Educational Research Association  ( 7 Titles / 1,784 Abstracts )
American Federation of Teachers  ( 7 Titles / 898 Abstracts )
American Institute of Physics  ( 26 Titles / 429,196 Abstracts )
American Library Association  ( 6 Titles / 4,252 Abstracts )
American Marketing Association  ( 8 Titles / 1,527 Abstracts )
American Mathematical Society  ( 9 Titles / 1,568 Abstracts )
American Medical Association  ( 6 Titles / 24,856 Abstracts )
American Physiological Society  ( 14 Titles / 42,527 Abstracts )
American Psychological Association  ( 61 Titles / 28,086 Abstracts )
American Scientific Publishers  ( 14 Titles / 2,827 Abstracts )
American Society for Cell Biology  ( 5 Titles / 188 Abstracts )
American Society for Microbiology  ( 6 Titles / 16,740 Abstracts )
American Society of Civil Engineers  ( 30 Titles / 43,917 Abstracts )
American Society of International Law  ( 5 Titles / 1,737 Abstracts )
American Society of Mechanical Engineers  ( 27 Titles / 53,405 Abstracts )
American Sociological Association  ( 9 Titles / 2,171 Abstracts )
American Statistical Association  ( 5 Titles / 1,445 Abstracts )
Ankara University  ( 5 Titles / 92 Abstracts )
Arizona State University  ( 5 Titles / 450 Abstracts )
Association for Computing Machinery  ( 9 Titles / 1,740 Abstracts )
Australian Academic Press  ( 5 Titles / 1,588 Abstracts )
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