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.r1762575720ivnk@1762575720tcatn1762575720oc1762575720
To contact the Secretary of the Board of the Society, please send an email to gro.r1762575720ivnk@1762575720draob1762575720.
