molecules. AmericanJournalofPhysics, 2003; 71:319-325. Bach, Roger; et al. Controlled double-slit electron diffraction. New JournalofPhysics. March 2013
of atomic dimensions or smaller (say of the order of 10 Å or less). Jaeger, Gregg. What in the (quantum) world is macroscopic?. AmericanJournalof Physics
Schramm, S. Resource Letter QEDV-1: The QED vacuum. AmericanJournalofPhysics(英语:AmericanJournalofPhysics). 2008, 76 (6): 509. Bibcode:2008AmJPh..76..509G