Exploring the Solar System using stellar occultations in the Gaia era - Lecture given by Brun Sicardy at the IAP (Institut d'Astrophysique de Paris) on Oct. 25th, 2019.
https://www.youtube.com/watch?v=6b9ZFSbEAbU

Introduction to occultations - Chasing an Asteroid’s Shadow (article from the Lucy team http://lucy.swri.edu/2021/03/17/Occultations.html 

The IOTA guide to observing occultations
http://www.poyntsource.com/IOTAmanual/IOTA_Observers_Manual_all_pages.pdf 

Multiple guidelines in English and German can be found on the IOTA-ES page https://www.iota-es.de/guidelines.html

All issues of the quarterly "Journal for Occultation Astronomy (JOA)" issued and edited by the International Occultation Timing Association (IOTA) can be found here https://www.iota-es.de/joafree.html