Strategies to avoid biting flies by reindeer : field experiments with silhouette trapsHELLE, T; ASPI, J; LEMPA, K et al.Annales zoologici Fennici. 1992, Vol 29, Num 2, pp 69-74, issn 0003-455XArticle

Effects of stress and rapid growth on fluctuating asymmetry and insect damage in birch leavesMARTEL, J; LEMPA, K; HAUKIOJA, E et al.Oikos. 1999, Vol 86, Num 2, pp 208-216, issn 0030-1299Article

Effects of simulated winter browsing on mountain birch foliar chemistry and on the performance of insect herbivoresRIIPI, M; LEMPA, K; HAUKIOJA, E et al.Oikos. 2005, Vol 111, Num 2, pp 221-234, issn 0030-1299, 14 p.Article

Concentrations and among-compound correlations of individual phenolics in white birch leaves under air pollution stressLOPONEN, J; OSSIPOV, V; LEMPA, K et al.Chemosphere (Oxford). 1998, Vol 37, Num 8, pp 1445-1456, issn 0045-6535Article

Patterns in content of phenolic compounds in leaves of mountain birches along a strong pollution gradientLOPONEN, J; LEMPA, K; OSSIPOV, V et al.Chemosphere (Oxford). 2001, Vol 45, Num 3, pp 291-301, issn 0045-6535Article

Covariation of fluctuating asymmetry, herbivory and chemistry during birch leaf expansionLEMPA, K; MARTEL, J; KORICHEVA, J et al.Oecologia. 2000, Vol 122, Num 3, pp 354-360, issn 0029-8549Article

Multiplicity of biochemical factors determining quality of growing birch leavesKAUSE, A; OSSIPOV, V; HAUKIOJA, E et al.Oecologia. 1999, Vol 120, Num 1, pp 102-112, issn 0029-8549Article