PDF Hydrogen desorption from magnesium Materials Science and Engineering B108 2004 24 27 Hydrogen desorption from magnesium hydride graphite nanocomposites produced by ball milling S Dal Toè a ∗ S Lo Russo a A Maddalena b G Principi b A Saber a S Sartori a T Spataru b a INFM and Physics Department G Galilei INFM Padova University via Marzolo 8 35131 Padua Italy b INFM and Mechanical