 Translations include Spanish, French, Portuguese, Greek, Taiwanese and Korean.Their work "Electronic Devices and Circuit Theory" is a university level text that is currently in its 11th edition (April 30, 2012) and which was initially published in 1972.While there are many other texts in the field, this one has remained a staple of scientific educators throughout the modern period of electronics and computer revolution, and during the emergence of ubiquitous Integrated Circuits and Computers.