Development of Gas Electron Multipliers for the X-ray Polarimetry Mission GEMS Iwahashi, Takanori ; Tamagawa, Toru ; Hayato, Asami ; Konami, Saori ; Asami, Fumi ; Makishima, Kazuo ; Swank, Jean ; Jahoda, Keith Abstract Publication: The Energetic Cosmos: from Suzaku to ASTRO-H Pub Date: February 2010 Bibcode: 2010ecsa.conf..442I