This title appears in the Scientific Report : 2000 

Charge and isospin symmetry breaking via external pi0-eta mixing
Magiera, A.
Machner, H.
Institut für Kernphysik; IKP
Nuclear physics / A, 674 (2000) S. 515
Amsterdam North-Holland Publ. Co. 2000
515
Journal Article
Experimente an COSY
Nuclear Physics A 674
Description not available.