Visions of Xanadu: Paul Otlet (1868-1944) and hypertext

W. Boyd Rayward
1994 Journal of the American Society for Information Science  
doi:10.1002/(sici)1097-4571(199405)45:4<235::aid-asi2>3.0.co;2-y fatcat:2ffbtl6dabekpfolcss64rimlq