DOI: https://doi.org/10.1016/S0123-9015(13)70001-5
DOI: https://doi.org/10.1016/S0123-9015(13)70002-7
DOI: https://doi.org/10.1016/S0123-9015(13)70003-9
DOI: https://doi.org/10.1016/S0123-9015(13)70004-0
DOI: https://doi.org/10.1016/S0123-9015(13)70005-2
DOI: https://doi.org/10.1016/S0123-9015(13)70006-4
DOI: https://doi.org/10.1016/S0123-9015(13)70007-6
DOI: https://doi.org/10.1016/S0123-9015(13)70008-8
DOI: https://doi.org/10.1016/S0123-9015(13)70009-X