This Module belongs to the Agreservations Drupal Module Suite
for providing Online Reservation and Resource Management functionality for
Hotels, B&B's , Car Rental, Boat Rental, Timebooking,...

This Module displays among other things, a day, week, month Bookingcalendar
showing a Matrix of days and Resources, allowing to display on 1 screen
which Resource is booked at a given day.

Do do this agreservations overrides the calendar modules views plugin.
It is still necessary to have the calendar module installed!