Re: info

2000-09-07 Thread Michael Tovar
anyone out there knows an original reference for the Guinier-Lenne camera? Is there any old paper describing the first use of the translating film cassette ? First paper describing Guinier-Lenne-camera using translating film cassette (to my knowledge) is: Lenne, H.-U.: "DIe Böhmit-Entwässerung,

Re: Mn2O3 of Ia3 and Pcab

2000-09-07 Thread Alan Hewat
At 16:08 06/09/2000, you wrote: I am interested in drawings/figures of the structure of alfa-Mn2O3, with special concern for the polyhedral coordination of Mn, for both space groups Ia3 and Pcab. Do some of you know where to find this??? You will find 3D VRML drawings of these Bixbyite and