mail address:
Lab 20-B, CNB-CSIC
c/Darwin 3
E-28049, Madrid, Spain
tel. +34 91 585 4616 (office), +34 91 585 4517 (lab), fax +34 91
585 4506
electronic mail (cryptic description in a probably futile attempt
to avoid spam) of Mark van Raaij:
mjvanraaij, then the at-symbol, then cnb.csic.es