title: Investigations of positronium formation and destruction using 3gamma/2gammaannihilation-ratio measurements.
authors.affiliation: Department of Physics and Astronomy, Wayne State University, Detroit, Michigan 48202, USA.
authors.forename: W E
authors.initials: WE
authors.lastname: Kauppila
authors.forename: E G
authors.initials: EG
authors.lastname: Miller
authors.forename: H F M
authors.initials: HF
authors.lastname: Mohamed
authors.forename: K
authors.initials: K
authors.lastname: Pipinos
authors.forename: T S
authors.initials: TS
authors.lastname: Stein
authors.forename: E
authors.initials: E
authors.lastname: Surdutovich