@book{ ABAD_VARGAS:555+XIV,

author = { FRANCISCO ABAD MONTES and MARAVILLAS VARGAS JIMÉNEZ } ,

title = { ESTADÍSTICA. VOL. I },

publisher = { JÚFER },

address = { GRANADA, ESPAÑA },

year = { 1991 },

pages = { 555+XIV },

isbn = { 84-604-0708-X },

}