00456nam a2200157   450000500170000000700040001700800040002102000150002504000090004005000210004924501030007026000600017330000230023344000300025665000120028620150414165417.0000000  a185221015X  aUOEL  aQH541.15.B4b.I5  aBiological monitoring of the state of the environment :bbioindicators /cedited by Janos Salanki.  aUSA :bThe International Union of Biologica Sciencces ,  avii, 73 p. :bill.  aMonograph Series, nNo. 1  xEcology