Linear Models of Viral Propagation -  Medical text authored by Doctor Katherine Pulaski (Diana Muldaur) prior to her year A.D. 2365 assignment as Chief medical officer aboard the USS Enterprise-D on the sci-fi series STAR TREK: THE NEXT GENERATION/SYN/1987-94. The book (mentioned on episode "Unnatural Selection") is "still a standard" for scientists at Starfleet Command, the scientific and exploratory division of the United Federation of Planets.