TY  - BOOK
AU  - Stoeppler, Markus
TI  -  Sampling and sample preparation: practical guide for analytical chemists
U1  - 543.02 
PY  - 1997///
CY  - Berlin
PB  - Springer-Verlag
KW  - Sipls and soil solutions
KW  - Biological samples
KW  - Human specimens
KW  - Sample preparation
ER  -