In case you want to use a semi-official letter style, you can find here two latex classes (ntnu.cls and astroteo.cls) a logo (ntnulogo.eps). Copy them into your texmf/tex/latex directory
In case you want to use a semi-official letter style, you can find here two latex classes (ntnu.cls and astroteo.cls) a logo (ntnulogo.eps). Copy them into your texmf/tex/latex directory