Duarte, the best you can do to have a more precise knowledge about machinery lubrication is attending a Machinery Lubrication Seminar fdrom Noria. Besides all the good technical information and a very robust manual ; you will be exposed to a proactive way to look at lubrication. You can find information of the global training program at the website. http://www.noria.com/training/training_calendar.asp
There are seminars is several languages and locations around the world almost every month.