Romack2000
From Kolesnikov.org
Romack2000: Barbara Romack (Kaneland Elementary School, Elburn, IL): Fermi Problems - From Pianos to m'm's. 2000. https://ed.fnal.gov/trc_new/sciencelines_online/fall99/activity_insert.html
Romack2000: Barbara Romack (Kaneland Elementary School, Elburn, IL): Fermi Problems - From Pianos to m'm's. 2000. https://ed.fnal.gov/trc_new/sciencelines_online/fall99/activity_insert.html