International proficiency testing schemes for soil and plant material.

V.J.G. Houba, I. Novozamsky, J.J. van der Lee

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Original languageEnglish
Title of host publicationProc. 4th Int. Symp. Harmonization of quality assurance systems in chemical analysis, Geneva, Switzerland
Pages1-8
Publication statusPublished - 1991

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