Thick Galactic Cosmic Radiation Shielding Using Atmospheric Data Robert C Youngquist Mark A Nurge Stanley O Starr Steven L Koontz Acta Astronautica 2013
Thick galactic cosmic radiation shielding using atmospheric data_ Robert C Youngquist_ Mark A Nurge_ Stanley O Starr_ Steven L Koontz_ Acta Astronautica 2013.pdf