TY  - BOOK
AU  - BENBI, D.K.
TI  - Instrumental methods for the analysis of soil, water and biological materials ; instructions manual
U1  - 631.410 28 B43I 
PY  - 2004///
PB  - Ludhiana
KW  - SOILS -- ANALYSIS
KW  - WATER -- ANALYSIS
ER  -