00338    a2200109   4500020001600000082001800016100002100034245009600055260003100151300001800182650002800200  a 8176485969  a363.7394bSHR  aShrivastava A.K.  aEncyclopadia of environmental pollution,agriculture and health hazardsbnature conservation  aNew DelhibAPHc2004g2004  ax,345p.c22cm  aEnvironmental Pollution