@unpublished{TUW-120063, author = {Bourda, Geraldine and B{\"o}hm, Johannes and Heinkelmann, Robert and Schuh, Harald}, title = {Analysis and comparison of precise long-term nutation series, strictly determined with OCCAM 6.1 VLBI software}, year = {2005}, note = {poster presentation: Journ{\'e}es 2005, 2005, Warschau; 2005-09-19 -- 2005-09-21} }