@articleHammer_Ebers_Förstner_2020, title=Hybrid coupled mode modelling of the evanescent excitation of a dielectric tube by semi-guided waves at oblique angles, volume=52, DOI=10.1007/s11082-020-02595-z, number=472, journal=Optical and Quantum Electronics, author=Hammer, Manfred and Ebers, Lena and Förstner, Jens, year=2020 
LibreCat: /record/20189
DOI: 10.1007/s11082-020-02595-z

@articleEbers_Hammer_Förstner_2017, title=Spiral modes supported by circular dielectric tubes and tube segments, volume=49, DOI=10.1007/s11082-017-1011-x, number=4, journal=Optical and Quantum Electronics, publisher=Springer Nature, author=Ebers, Lena and Hammer, Manfred and Förstner, Jens, year=2017, pages=49:176 
LibreCat: /record/3830
DOI: 10.1007/s11082-017-1011-x