Coordinating Aspects and Objects. - Timo Aaltonen; Joni Helin; Mika Katara; Pertti Kellomäki; Tommi Mikkonen (FOCLASA, 2002)

Invariants come from templates. - Joni Helin; Pertti Kellomäki (FMICS, 2005)

Combining Deep and Shallow Embeddings. - Joni Helin (LDTA@ETAPS, 2006)