Link_Guns germs and steel->Guns, gems, and steel, Guns Minerals-Gems "coal iron and steel" : The Fate(s) of Human Societies_ One Year on

Management:
LINK_Guns germs and steel->Guns, gems, and steel, Guns Minerals-Gems "coal iron and steel" : The Fate(s) of Human Societies_ One Year on.

relevent to the profession "Materials Scientists and Engineers".