@article{article77b819a1,
title   = {Double helicity asymmetry in inclusive Mid-rapidity neutral pion production for polarized p+p collisions ''S IND.NN' POT. 1/2' = 200GeV},
author = {Adler, S S and Dietzsch, Olácio and Leite, Marco Aurelio Lisboa and Silva, Cesar Luiz da and Takagui, E. M.},
year = {2004},
journal   = {Physical Review Letters}
}