About our used conditions ratings:

·Like New: An apparently unread copy in excellent condition. The dust cover is intact, and the pages are clean and not marred by notes or folds of any kind.

·Very Good: A copy that has been read, but remains in excellent condition. May have writing on the inside cover but pages are unmarred.

·Good: A copy that has been read, but remains in clean condition. All pages and covers are intact. The spine may show signs of wear. Pages can include limited notes and highlighting, and the copy can include "From the library of" labels or previous owner inscriptions.

Vorgestellt wird eine neue Methode zur Pr?fung und Verbesserung der Anwenderfreundlichkeit von Benutzerschnittstellen. Jeder Schritt wird anhand ?bersichtlicher Abbildungen und instruktiver Beispiele erl?utert. Checklisten und Formulare lassen sich leicht abwandeln und so an die Bed?rfnisse des Lesers anpassen. (02/98)

2.4 pounds