A method to stack palletless and as to their size variable packages (1) on warehouse rack(15) and to retrieve them from said rack and to control the logistics of packages, inwhich method the said warehouse rack is furnished with an automatic packages stackingand retrieving robot, and in the method the control of warehouse data and logisticstakes place by means of a data system. Equipment (5) included in the method receivespackage (1), for instance, onto conveyor belt (2), equipment (5) carries outweighing of package (1), determination for it necessary space requirement,reading of remote code connected to package (1), as RFID code (20) in order to choosethe rack space determined for it on basis of previous functions, and package (1)is retrieved from the rack steered either by the order of the user or of the datasystem, and the data from above mentioned stacking and retrieving functionsare transmitted to the data system.
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