00432nam a2200145Ia 450000500170000000800410001702000180005804100080007608200170008410000170010124500440011826000490016230000100021165000650022120191121123039.0190710s9999    xx            000 0 und d  a81-7024-306-8  aeng  a301.31 M688F  aMishra, P. C 0aFundamentals of air and water pollution  aNew Delhib: Ashish Publishing House, c1990  a143p.  aEnvironmental pollution a| Air pollutiona| Water pollution