Although the distinctive figured grain known as "birdeye" or "Bird's eye" has intriguted scientists and woodworkers for centuries
Bragg, Don C.; Stokke, Douglas D. 1999. Annotated bibliography on "birdseye" figured grain. Gen. Tech. Rep. NE-263. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 15 p.