TY  - GEN
AU  - Christensen,J M
AU  - Kristiansen,J
TI  - The Danish external quality assessment scheme
SN  - 0021-2571
PY  - 1996///1212
KW  - Denmark
KW  - Environmental Monitoring
KW  - standards
KW  - Laboratories
KW  - Quality Control
N1  - Publication Type: Journal Article
ER  -