▁since ▁August ▁ 2 0 0 6 ▁and ▁has ▁just ▁been ▁elected ▁ordinary ▁member ▁of ▁the ▁executive ▁committee ▁of ▁the ▁International ▁Union ▁of ▁Cry stal log raph y . ▁ ▁He ▁also ▁teach es ▁chem istry ▁and ▁b iling ual ▁Master ▁courses , ▁Spanish - English , ▁at ▁the ▁University ▁of ▁O v ied o ▁and ▁the ▁Men énd ez ▁Pel ay o ▁International ▁University . ▁He ▁has ▁super vised ▁more ▁than ▁ 1 8 ▁Ph D ▁th eses . ▁ ▁He ▁is ▁the ▁author ▁of ▁more ▁than ▁ 5 0 0 ▁scientific ▁and ▁dis sem ination ▁papers , ▁several ▁chap ters ▁of ▁books ▁and ▁numerous ▁communic ations ▁and ▁lect ures ▁presented ▁in ▁con ferences ▁on ▁phys ico - chem ical ▁studies ▁of ▁new ▁materials , ▁mole cular ▁structure , ▁cry stal log raph y , ▁diff raction ▁and ▁methods ▁of ▁calculation . ▁He ▁is ▁co - author ▁of ▁the ▁cry stal log raph y ▁programme ▁Dir D if ▁c ited ▁more ▁than ▁ 3 0 0 0 ▁times ▁and ▁he ▁has ▁led ▁more ▁than ▁ 3 0 ▁research ▁projects , ▁both ▁national ▁and ▁European , ▁establish ing ▁contract s ▁with ▁fir ms ▁and ▁scientific ▁dis sem ination ▁projects . ▁He ▁is ▁the ▁head ▁of ▁the ▁SY ST AM ▁research ▁group ▁of ▁the ▁Department ▁of ▁Phys ical ▁and ▁Anal yt ical ▁Chem istry , ▁declared ▁Group ▁of ▁Ex cell ence ▁of ▁the ▁Princi p ality ▁of ▁Ast ur ias ▁in ▁ 2 0 0 1 . ▁He ▁was ▁responsible ▁for ▁the ▁infrastr ucture