TY - BOOK AU - Chopra, S L AU - Kanwar, J S TI - Analytical agricultural chemistry SN - 817096444X U1 - 631.8 PY - 1976/// CY - Ludhiana PB - Kalyani Publishers KW - Some basic principles KW - Volumetric analysis KW - Colorimetric methods KW - Flame photomery KW - Chromatography ER -