Constraining warm dark matter candidates including sterile neutrinos and light gravitinos with WMAP and the Lyman-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>α</mml:mi></mml:math>forest
Matteo Viel, J. Lesgourgues, Martin G. Haehnelt, et al.·2005·Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology