Elsevier Inc.Journal of Structural BiologyMuller, W.E.G., Xiaohong, W., Zaklina, B., Joachim, B., Anatoli, K., Alexandra, B., Ute, S., Heinz, S.C. and Wiens, M. 2009. Bio-sintering processes in hexactinellid sponges: fusion of bio-silica in giant basal spicules from Monorh...