@misc{misca441f32e,
title   = {Observation of ``pi´ POT.+´``pi´ POT.−´``pi´´POT.+´``pi´ POT.−´ photoproduction in ultra-peripheral heavy ion collisions at``ANTPOT.S NN´ POT.1/2´ = 200 GeV at the STAR Detector},
author = {Abelev, B I and Munhoz, Marcelo Gameiro and Suaide, Alexandre Alarcon do Passo and Szanto de Toledo, Alejandro},
year = {2009}
}