Nuclear reactions studied by quasi-elastic measurements with high precision at backward anglesC.J. Lin, H.M. Jia, H.Q. Zhang, F. Yang, X.X. Xu, Z.H. Liu and S.T. ZhangEPJ Web of Conferences, 17 (2011) 05005DOI: https://doi.org/10.1051/epjconf/20111705005