I'm 99% sure there is, and it's in Inside Star Trek: The Real Story
As I recall, the producers made sure they shot quite a bit extra footage of Nona and included it in the rough cut. That way, when NBC objected, they would have plenty of material they never wanted to cut out, while leaving in what they wanted in the first place.
At least, that's what I remember. Someone with the book handy could verify that.