Simeonov Mario; Fülöp Ferenc; Sillanpää Reijo; Pihlaja Kalevi: 2D variable temperature of conformational complexity in seven-membered cyclic triazepinone/open-chain hydrazones : [előadáskivonat]. In: Kolligátum. p. 1. (1992)
Pihlaja Kalevi; Sillanpää Reijo; Stájer Géza; Frimpong-Manso Samuel: X-Ray study of a pentacyclic partially saturated benzothiazolo[2,3-a]isoindolone. In: Kolligátum. pp. 1021-1023. (1992)