00309nam a2200109Ia 4500008004100000082001500041100002400056245004600080260005500126300001000181650000800191060110s9999    xx            000 0 und d  a577bAGR/E  aMUKHERJEE, Biswarup  aEnvironmental biologycBiswarup Mukherjee  bTata Mc Graw Hill Publishing Company Limitedc1996  a641p.  a577