00469nam a22001697a 4500003000400000008004100004020001800045082001800063100002100081245005800102260004400160300001200204650001800216650001800234650002800252700001900280OSt190502b           ||||| |||| 00| 0 eng d  a9788175556621  a574.522bC29P  aChandra, Ramesh.  aParyavaran Rasayan Vigyan ( Environmental Chemistry )  aNew DelhibUniversity Publicationc2015  av,376p.  aPure Sciences  aLife Sciences  aEnvironmental Chemistry  aKumar, Pradip.