@inproceedings{ RIVERA_Mayoral-_Mastral-:215-218,

author = { JOSÉ RIVERA UTRILLA and M.C. Mayoral- and A.M. Mastral- } ,

title = { A NEW APPROACH TO COAL STRUCTURE },

booktitle = { COAL SCIENCE (1.1997.ESSEN, ALEMANIA) },

year = { 1997 },

pages = { 215 - 218 },

location = { ESSEN, ALEMANIA },

}