{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Effect of PDA scrolling- and hierarchy-menu design on users' operating performance [An article from: Displays]","author_name":"A.H. Wang, Y.Y. Lai, C.T. Sun","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0RQ/bigB000RQZGS8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RQZGS8.html\">Effect of PDA scrolling- and hierarchy-menu design on users&#039; operating performance [An article from: Displays]</a>","width":400,"height":300}