@Article{ NIEVES_RUIZ:377-384,

author = { JUAN M. NIEVES PAMPLONA and ENRIQUE RUIZ ARRIOLA } ,

title = { ERROR ESTIMATES FOR PI PI SCATTERING THRESHOLD PARAMETERS IN CHIRAL PERTURBATION THEORY TO TWO LOOPS },

journal = { EUROPEAN PHYSICAL JOURNAL A },

year = { 2000 },

volume = { 8 },

issn = { 1434-6001 },

pages = { 377-384 },

}