books.google.ca - Substantially revised and expanded, this new edition includes a discussion of the radiative transfer equation, atmospheric sounding techniques and interferometric radar, an expanded list of problems (with solutions), and a discussion of the Global Positioning System (GPS). This book forms the basis of...http://books.google.ca/books/about/Physical_Principles_of_Remote_Sensing.html?id=u17Zv45DENoC&utm_source=gb-gplus-sharePhysical Principles of Remote Sensing