NURINGTYAS, T. R.; MUSTAFA, N. R.; MULDER, P. P. J.; LEISS, K. A.; KLINKHAMER, P. G. L. DIVERSIFICATION OF PYRROLIZIDINE ALKALOIDS AS PLANT DEFENCE COMPOUNDS AND THEIR EFFECT ON <i>Spodoptera exigua</i&gt; CELL LINES. KnE Life Sciences, v. 2, n. 1, p. 97, 20 Sep. 2015.