http://tags.library.upenn.edu/vallhonr/notes+blog PennTags Feed for /vallhonr/notes+blog PennTags Feed http://tags.library.upenn.edu/makerecord/url/21905 http://tags.library.upenn.edu/makerecord/url/21905 Science Library Pad: Pennvibes - DLF Fall Forum - Nov 6, 2007 blog notes on Delphine's presentation