ISBN 1481187708 books & textbook
System and Method of interaction: US Patent Application #13/689,763
Liubachev, Mr. Mikhail Leonidovich Platonov, Mr. Dmitry Sergeevich
CreateSpace Independent Publishing Platform /2012-12-20 Paperback / 66 Pages
isbn-10: 1481187708 / isbn-13: 9781481187701
