TY - BOOK AU - Trivedi, P.R., ed. TI - Environmental water and soil analysis SN - 8171582613 U1 - 628.16 21st ed. PY - 1992/// CY - New Delhi PB - Akashdeep Publishing House KW - Environmental sciences - Analysis KW - Raj KW - Gurdeep, ed KW - Soil - Analysis KW - Water - Analysis KW - Water chemistry ER -