TY - JOUR T1 - Evaluation of hydrocyclone as pre-filter in irrigation system JO - Brazilian Archives of Biology and Technology A1 - Soccol, Olívio José A1 - Rodrigues, Lineu Neiva A1 - Botrel, Tarlei Arriel A1 - Ullmann, Mario Nestor SN - 1516-8913 UL - 10.1590/S1516-89132007000200003 VL - 50 Y1 - 2007 PB - Brasil ER -