Füüsika. II : praktikumi tööjuhendid2010 http://www.ester.ee/record=b2614324*est Füüsika. II : praktikumi tööjuhendid2012 http://www.ester.ee/record=b2614324*est Impact of the carbonate substitution on HAP crystal latticeNiitsoo, Jaanika; Kallaste, Toivo; Mikli, Valdek; Nemliher, Jüri; Tõnsuaadu, KaiaThe Third International Conference on the Valorization of Phosphates and Phosphorus Compounds : COVA Phos 3 : Marrakech, Morocco, March 18th-20th, 2009 : abstracts2009 / p. 189-192 : ill Impact of the carbonate substitution on HAP crystal latticeNiitsoo, Jaanika; Kallaste, Toivo; Mikli, Valdek; Nemliher, Jüri; Tõnsuaadu, KaiaResearchers' Network on Phosphates : The Third International Conference on the Valorization of Phosphates and Phosphorus Compounds : COVAPHOS III : Marrakech, Morocco, March 18th-20th, 2009 : proceedings2009 / p. 22-26