Cycling training should not be made more difficult than it already is. Consider how many cyclists who have won great races, championships and honour without knowing anything significant about cycling training principles, nutrition or training planning (not to mention heart rate monitors, power meters etc.) There are a lot athletes having success, because they have talent and do a lot of clever things without knowing it: They train hard, they rest and they eat proper amounts of food.
Thus, they make above 95% of their potential performance by doing these things right. Advanced training methods can only add a few watts to this, but in tough competitions these can be crucial. But for a beginning it can be valuable to read these articles to avoid the most common mistakes and understand the basic principles of high quality cycling training: