00489cam a2200181ua 4500020002900000041001000029082001600039100002100055245007600076250001200152260005200164300001200216365001100228500002000239504000500259700001900264700002400283  a81  7024  528  1c500.00  aengh  a628bTRI/AD  aTripathi, A K  .  aAdvances in environmental sciences / cA K Tripathi.hTextual Documents  a1 / b.  aNew Delhi : bAshish Publishing House , c1993.  a387 ; .  a500.00  a19615-16 Scheme  a1 aPandey, S N  .1 aSrivastava,  A K  .