@article{HagemannGeittnerLydtinetal.2007, author = {Hans-J{\"u}rgen Hagemann and P. Geittner and H. Lydtin and J. Warnier}, title = {Hybrid technology for large SM-fiber preforms. Geittner, P.; Hagemann, H. J.; Lydtin, H.; Warnier, J.}, journal = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 6 (1988), H. 10}, pages = {1451 -- 1454}, year = {2007}, }