This title appears in the Scientific Report : 2000 

Two-loop chiral perturbation theory and the pion-pion phase shifts
Sa Borges, J.
Soares Barbosa, J. / Tonasse, M. / Haidenbauer, J.
Institut für Kernphysik; IKP
Hadronic journal, 22 (2000) S. 617 - 622
Nonantum, Mass. Hadronic Pr. 2000
617 - 622
Journal Article
Theoretische Kernphysik
Hadronic Journal 22
Description not available.