Media type: E-Article Title: Pion exchange and missing-mass spectra near the phase-space boundary Contributor: Pham Xuan Yem Published: Springer Science and Business Media LLC, 1973 Published in: Lettere Al Nuovo Cimento Series 2, 8 (1973) 4, Seite 266-272 Language: English DOI: 10.1007/bf02725299 ISSN: 1827-613X Keywords: General Physics and Astronomy Origination: Footnote: