00597nam a2200205 a 450000100090000000800410000902000280005004000230007808200170010110000170011824500610013525000120019626000480020830000330025652000260028955600150031565000280033065000260035852600070038400003932110328s1990 ii a g 000 0 eng d a8170243068 :cTk.260.00 aBD-DhIUBcBD-DhIUB04a363.73922191 aMishra, P.C.00aFundamentals of air and water pollution /cP.C. Mishra  a1st ed. aNew Delhi :bAsish Publishing House,c1990. axi, 143 p. :bill. ;c21 cm.0 aHealth and Population a1998-08-0117awater pollution2Spines17aAir pollution2Spines bph