Besides the pure know how of the given tools for the technical implementation, there are many other fields of knowledge that might be helpful to create a better computer animation. From storytelling, color theory, design rules to composition, cinematography or psychology.
Grundlagen der Filmästhetik
This *.pdf (german), created bei Beate Schlitter, holds a profound overview of the guidelines for filmmaking. Things like camera settings, camera movements or image section are here explained in detail.
An extremely extensive web page about computer graphic cinematography by Christophe Brejon.
Absolutely everything about physically based rendering. It’s like the bible of PBR.