TY - RPRT TI - Accurate neutralino relic density computations in supergravity models. AU - JL Lopez AU - DV Nanopoulos AU - K Yuan PY - 1993 DO - 10.1103/physrevd.48.2766 UR - https://pubmed.ncbi.nlm.nih.gov/10016522/ ID - 10016522 ER -