00269nam a2200097Ia 4500080001800000100002300018245006800041260002900109300001400138583001900152  a19.04.01 A849  aEcheverria, Carlos  aIndustrial relations in libraries : Trade Union's point of view  bACURILaSan JuanPRc1992  a13 leaves  c3/7/00kM2LMGR