Ikäheimonen, Tarja K. Monitoring of radionuclides in the vicinities of Finnish nuclear power plants in 1999-2001. - Helsinki : STUK, 2006. - 112 p. : tabla, diagr. Bibliografía y apéndice: p.43-110 ISBN: 9524781387 ISSN: 07811705 Standard No.: STUK-A218