00522nam a2200145Ia 4500008004100000020001800041040001700059082002500076100002300101245011400124260002700238300002200265650006200287700002700349190329s9999||||xx |||||||||||||| ||und||  a81-7648-420-2  aNITILcNITIL  221sta333.703bR161E  aRajvaidya, Neelima 0aEncyclopaedic dictionary of environmental science and technologycNeelima Rajvaidya and Dilip Kumar Markandey  aNew DelhibA P Hc2004  a13Vols.vii,4273p.  aEncyclopaedic dictionary-Environmental Science-technology  aMarkandey, Dilip Kumar