@Article{ SIERRA_ORTEGA_ZUBEIDAT:11-60,

author = { JUAN CARLOS SIERRA FREIRE and VIRGILIO ORTEGA LEYVA and IHAB ZUBEIDAT } ,

title = { ANSIEDAD, ANGUSTIA Y ESTRÉS: TRES CONCEPTOS A DIFERENCIAR },

journal = { REVISTA MAL-ESTAR E SUBJETIVIDADE|| JOURNAL OF DISCONTENTS AND SUBJETIVITY },

year = { 2003 },

volume = { 3 },

issn = { 1518-6148 },

pages = { 11-60 },

}