- IUPAP.
Retrieved 2019-09-06. Ekman, Rolf; Silberring, Jerzy; Westman-
Brinkmalm, Ann; Kraj, Agnieszka, eds. (2008). M**** Spectrometry: Instrumentation...
- 4526417. doi:10.1155/2017/4526417. PMC 5727794. PMID 29318050.
Brinkmalm A,
Brinkmalm G,
Honer WG, Frölich L,
Hausner L,
Minthon L, et al. (November 2014)...
- JSTOR 37113. Kraj,
Agnieszka (2009). Ekman, Rolf; Silberring, Jerzy; Westman-
Brinkmalm, Ann; Kraj,
Agnieszka (eds.). M**** Spectrometry: Instrumentation, Interpretation...