There should be laws against putting this much data, with this much nuance, with this much extraordinary organization and pictures and explanation. …or, awards perhaps. Yes, awards.
There is a new document online from the European cinema organization named UNIC. Subtitled as the Practical Guidelines for Architects, Cinema Owners and Others Involved in Planning and Building Cinemas, the How to Design A Cinema Auditorium book is 65 pages of very strait forward and coherent information. It can be downloaded from <https://unic-cinemas.org/fileadmin/CinemaAuditoriumDesign_v1.0.pdf>
Rolv Gjestland has been working for the Norwegian Cinema nonprofit trade organisation Film&Kino since 1984. He is their consultant in cinema technology and cinema design.