Measurement of the cross section for e+e- → p$$(p)over-bar at center-of-mass energies from 2.0 to 3.07 GeV - Ablikim,M; Bai,JZ; Ban,Y; Bian,JG; Cai,X; Chen,HF; Chen,HS; Chen,HX; Chen,JC; Chen,J; Chen,YB; Chi,SP; et al. (PHYSICS LETTERS B, 2005)