@article{783036, author = {I Grey and W Mumme and T Ness and Robert Roth and K Smith}, title = {Structural Relations Between Weberite and Zirconolite Polytypes-Refinements of Doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7}, year = {2003}, number = {174}, month = {2003-09-01 00:09:00}, publisher = {Journal of Solid State Chemistry}, language = {en}, }