https://pictures.abebooks.com/isbn/9780521118392-us.jpg An Introduction to the Theory of Graph Spectra@By: Dragoš Cvetković; Peter Rowlinson; Slobodan Simić@Publisher: @Cambridge University Press@Print ISBN: 9780521118392, 0521118395@eText ISBN: 9781139244596, 1139244590@Edition: 1st@Format: PDF@Available from $ 46.00 USD@SKU: 9781139244596 Download now: https://ouo.io/6xsa5j