Francois Teyssier on the ARAS forum is a good amateur contact for information on spectroscopy of symbiotics. He produces a regular Eruptive Stars Spectroscopy Newletter which includes regular comentaries by Prof Steve Shore and is now listed on ADS, unusual for an independent amateur publication
http://www.spectro-aras.com/forum/viewtopic.php?f=33&t=2254
Back issues are also available here
http://www.astrosurf.com/aras/novae/InformationLetter/InformationLetter.html
Cheers
Robin