Three-dimensional structure of the enveloped bacteriophage phi12: an incomplete T = 13 lattice is superposed on an enclosed T = 1 shell.
Wei H, Cheng RH, Berriman J, Rice WJ, Stokes DL, Katz A, Morgan DG, Gottlieb P. Three-dimensional structure of the enveloped bacteriophage phi12: an incomplete T = 13 lattice is superposed on an enclosed T = 1 shell. PLoS One. 2009 Sep 03; 4(9):e6850.