For administrative queries, please contact I.W.C. Hogervorst:
Visiting address:
Sterrenwachtlaan 11
2311 GW Leiden
Postal address:
Postbus 778
2300 AT Leiden
T: +31-(0)71-527-7748
E: gro.r1786590376ivnk@1786590376tcatn1786590376oc1786590376
To contact the Secretary of the Board of the Society, please send an email to gro.r1786590376ivnk@1786590376draob1786590376.
