Grammar and beyond level 3 writing skills interactive (standalone for students) via activation code card, Einselen, Eve Hills, Susan Hodge, Hilary Iannotti, Elizabeth O`dell, Kathryn Ravitch, Lara
Описание: Originally published in 1953, this book provides a theoretical account of the behaviour of thermionic high vacuum devices. Beck, who later became Professor of Engineering at the University of Cambridge, aims his explanation primarily at physics or engineering graduates in order to furnish them with the necessary background knowledge to `appreciate current research papers`.
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