Analyzing power for pi- p charge exchange in the backward hemisphere from 301-MeV/c to 625-MeV/c and a test of pi N partial wave analyses - Kim, G. J.; Arends, J.; Engelage, J.; Nefkens, B. M. K.; Ziock, H. J.; Briscoe, W. J.; Taragin, M.; Sadler, M. E. (Phys. Rev. D, 1990)