http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Fermilab Summer School, 1987, Cornell Summer School, 1988
U.S. Particle Accelerator School 1987 : Fermi National Accelerator Laboratory)
U.S. Particle Accelerator School (1988 : Cornell University)
editors, Melvin Month & Margaret Dienes.
"Particle Accelerator School (1987 and 1988), Fermi National Accelerator Laboratory, July 20-August 14, 1987, and Cornell University, August 1-12, 1988"--P. facing title page.