CENS : Centre for Nonlinear Studies, Estonian centre of excellence in research : annual report : 2014
2014
https://www.ester.ee/record=b2947010*est
CENS [Võrguteavik] : Centre for Nonlinear Studies, Estonian Centre of Excellence in Research : annual report 1999
1999
https://www.ester.ee/record=b4558228*est
http://www.digar.ee/id/nlib-digar:276205
Centre for Nonlinear Studies : 2003-2007 highlights
2007
https://www.ester.ee/record=b4527339*est
Centre for Nonlinear Studies : 2011-2015 highlights
2015
http://www.digar.ee/id/nlib-digar:276905
https://www.ester.ee/record=b4527339*est