@inbook{ ÁLVAREZ:117-119,

author = { JUAN CARLOS ÁLVAREZ MERINO } ,

title = { DOUBLE PATERNITY ON TWINS },

booktitle = { ADVANCES IN FORENSIC HAEMOGENETICS },

isbn = { 0-444-82965-2 },

publisher = { SPRINGER-VERLAG BERLIN HEIDELBERG },

pages = { 117 - 119 },

year = { 1998 },

}