欢迎您 guest   |    注销   |    立即注册!   |    English    |   帮助   |   联系我们
  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    
     
 
PRIMEDIA Business Magazines & Media Inc.  ( 73 Titles / 88,929 Abstracts )
Palgrave Macmillan  ( 51 Titles / 0 Abstracts )
Pan American Health Organization (PAHO)  ( 18 Titles / 0 Abstracts )
Peeters Publishers  ( 63 Titles / 0 Abstracts )
Penn State University Press  ( 21 Titles / 0 Abstracts )
PennWell Corporation  ( 7 Titles / 0 Abstracts )
Penton Media, Inc  ( 30 Titles / 33,272 Abstracts )
Periodica Polytechnica  ( 7 Titles / 0 Abstracts )
Polish Academy of Sciences  ( 12 Titles / 0 Abstracts )
Pontificia Universidad Católica de Valparaíso  ( 6 Titles / 0 Abstracts )
Primary Research Group  ( 7 Titles / 0 Abstracts )
Professional Engineering Publishing  ( 7 Titles / 0 Abstracts )
Purdue University Press  ( 7 Titles / 0 Abstracts )
Putman Media, Inc.  ( 6 Titles / 0 Abstracts )
#