Address: NMR CenterRudjer Boskovic Institute Bijenicka c. 54HR-10000 Zagreb, CROATIAHead: Dr. Vilko Smrecki phone: +385 1 4560 944fax: +385 1 4680 085e-mail: smrecki@irb.hr Contact for users:phone: +385 1 4571 231fax: +385 1 4680 085