Photometric and spectroscopic observations of the outburst of the symbiotic star AG Draconis between March and June 2016

https://arxiv.org/abs/1612.07352

2016, Dezember 24, Ernst Pollmann

The Eruptive Stars Information Letter 2016-08

https://groups.yahoo.com/neo/groups/spectro-l/conversations/messages/18680

International Observing Campaign "Photometry and Spectroscopy of P Cygni"

E. Pollmann and Th. Bauer, JAAVSO Volume 40, 2012

AAVSO -- International Observing Campaign: Photometry and Spectroscopy of P Cygni

2016, Februar 11, Ernst Pollmann

The Long-Term Binary System VV Cep

https://konkoly.hu/pub/ibvs/6101/6156.pdf

2016, Februar 11, Ernst Pollmann

Monitoring the radial velocity of HeI 6678 of gamma Cas

http://ibvs.konkoly.hu/pub/ibvs/6101/6169.pdf

2016, Juni 06, Ernst Pollmann

Long-term radial velocity of the HeI 6678 line of zeta Tau