TY - BOOK AU - Resmy Tom Mavunkal AU - Dr. M V Harindranathan Nair, guided by TI - Nitrogendioxide concentration in a residential cum commercial area of cochin city U1 - 44:94 PY - 1994/// CY - Kochi PB - School of environmental studies, CUSAT KW - Air pollution meteorology KW - Air quality standards ER -