TY - BOOK AU - SINDHU P S AU - DESHWAL BALRAJ AU - KUMAR VATS SATISH TI - ENVIRONMENTAL CHEMISTRY SN - 978-81-224-2731-8 U1 - 660.1 SIN CY - NEW DELHI KW - ENGINEERING CHEMISTRY KW - CHEMISTRY ENVIRONMENTAL CHEMISTRY N1 - UNDER TEQIP PHASE-II ER -