00500naa a2200169 a 450000100080000000500110000800800410001910000150006024500950007526000090017065000170017965000200019665300180021665300160023465300140025077300660026418067242017-04-11       1983    bl ---       0--  u    #d1 aOZIMEK, T.  aThe role of duckweeds in cycling of heavy metals in ponds supplied with post-sewage water.  c1983  aMetal Pesado  aPlanta Aquatica  aAquatic plant  aHeavy metal  aLemnaceae  tInternational Symposium Aquatic Macrophytes, p.172-176, 1983.