Official methods of analysis of AOAC international: vol.1
- 16th rev. ed.
- Maryland (USA) AOAC International 1998
- xxvi.
0-935584-54-4
Fertilizers
Drugs
Animal feed
Analitical chemistry
543 / OFF.1
0-935584-54-4
Fertilizers
Drugs
Animal feed
Analitical chemistry
543 / OFF.1