Write what you are looking for and then select one or more resources. These are displayed in the calendar below the list, and the list can also be collapsed by pressing the arrow at the top of it. The booking is completed and then paid in the shopping cart up to the right and to complete the booking you need to be logged in.

The search result shows the first 50 hits
Selection:
NOTE only the first 50 resources of the above filtering are shown when searching for available/unavailable