http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
vii, 370 pages : illustrations, map. ; 24 cm.
by D. J. X. Montgomery. Based on lectures given by Marcel Schein at Princeton University, with special contributions by Shuichi Kusaka and Niels Arley.
Original lectures pub. in 1946 under title: Problems in cosmic ray physics.