This book assumes that you have a general understanding of the following:
The Internet and the World Wide Web
Calendaring concepts
LDAP
RFC 2445, RFC 2446, RFC 2447
These RFC's describe in detail the format and definition for times, strings, parameters, and so forth used in WCAP commands.
The RFC’s can be found at the IETF web site:
http://www.ietf.org/rfc/rfc2445.txt
http://www.ietf.org/rfc/rfc2446.txt
http://www.ietf.org/rfc/rfc2447.txt