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.r1784836632ivnk@1784836632tcatn1784836632oc1784836632
To contact the Secretary of the Board of the Society, please send an email to gro.r1784836632ivnk@1784836632draob1784836632.
