Complete automation solutions for small town water supplyRistoja, JoelThe 4th Research Symposium of Young Scientists : Actual Problems of Electrical Drives and Industry Automation : Tallinn, Estonia, May 17-21, 20032003 / p. 93-96 : ill

Process visualization for industry automation study and training processRistoja, Joel; Rosin, ArgoActual Problems of Electrical Drives and Industry Automation : the 3rd Research Symposium of Young Scientists : Tallinn, Estonia, May 19-26, 20012001 / p. 93-95 : ill

Pumpade kaskaadjuhtimine sagedusmuundurigaRistoja, JoelElektriala2003 / 3, lk. 13-15 : ill