TY - BOOK AU - Craig,Alan B. TI - Understanding augmented reality: concepts and applications SN - 9780240824086 AV - QA76.9.A94 C73 2013 U1 - 006.8 23 PY - 2013/// CY - Waltham PB - Elsevier Inc. KW - Augmented reality N1 - Includes index ER -