00349nam a2200145Ia 4500003000400000005001700004008004100021020001800062082001500080100001400095245002600109250000800135260005000143300001000193TMU20260608110505.0161008s9999    xx            000 0 und d  a9789380097350  a628bBIR-E  aBir, Ritu  aEnvironmental Studies  a1st  bVayu Education of India     c2009aNew Delhi  a180p.