%0 Journal Article %A Qi-Chang He %T Characterization of a class of polycrystals whose effective elastic bulk moduli can be exactly determined %J Comptes Rendus. Mécanique %D 2003 %P 623-629 %V 331 %N 9 %I Elsevier %R 10.1016/S1631-0721(03)00148-7 %G en %F CRMECA_2003__331_9_623_0