Synthetic Grav Field Interaction Considerations was a 24th century technical manual written by Leah Brahms.
In this manual, the interaction of the synthetic grav field with the subspace warp field was covered. A copy of this manual was stored in the Subspace Warp Field Overview, a folder in the Engineering Systems Database, aboard the USS Enterprise-D in 2366. (TNG: "Booby Trap", okudagram)