@book {Madelung2004, title = {Semiconductors Data Handbook}, year = {2004}, pages = {691}, publisher = {Springer}, organization = {Springer}, address = {Berlin}, isbn = {9783642188657 3642188656}, url = {http://www.amazon.com/Semiconductors-Data-Handbook-Otfried-Madelung/dp/3540404880} }