TY - JOUR L1 - http://www.czasopisma.pan.pl/Content/83984/PDF/02_paper.pdf L2 - http://www.czasopisma.pan.pl/Content/83984 PY - 2014 IS - No 4 EP - 626 DO - 10.2478/bpasts-2014-0067 A1 - Dorosz, J. VL - 62 DA - 2014 T1 - Novel constructions of optical fibers doped with rare – earth ions SP - 619 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/83984 T2 - Bulletin of the Polish Academy of Sciences Technical Sciences ER -