Počet záznamů: 1
A set of four soild reference materials with certified val ues of total element contents and their extractable fractions
- 1.KUČERA, Jan, SYCHRA, V., KOUBEK, J. A set of four soild reference materials with certified val ues of total element contents and their extractable fractions. In: Proceedings of the Symposium on Biological and Environment al Reference Materials (BERM-7). Antwerpen: Auropean Commission/IOAC International, 1997, s. 11.
Počet záznamů: 1