1. MODELING AND SIMULATION OF CALCIUM CARBONATE THERMAL DECOMPOSITION IN THE VERTICAL LIME KILN BASED ON THE SHRINKING UNREACTED CORE MODEL. Authors: VASILE-MIRCEA CRISTEA, ANA-MARIA CORMOȘ, DAMIAN TRIF.2. BOOK REVIEWS - TOMÁŠ ROUBIČEK, NONLINEAR PARTIAL DIFFERENTIAL EQUATIONS WITH APPLICATIONS. Authors: DAMIAN TRIF.3. BOOK REVIEWS - PAVEL DRÁBEK AND JAROSLAV MILOTA, METHODS OF NONLINEAR ANALYSIS - APPLICATIONS TO DIFFERENTIAL EQUATIONS, BIRKH¨AUSER ADVANCED TEXTS, BIRKHÄUSER VERLAG AG, BASEL - BOSTON - BERLIN, 2007, XII+568 PP, ISBN: 978-3-7643-8146-2. Authors: DAMIAN TRIF.4. BOOK REVIEWS: STEPHEN LYNCH, DYNAMICAL SYSTEMS WITH APPLICATIONS USING MATHEMATICA, XVI+484 PP, BIRKHÄUSER, BOSTON -BASEL - BERLIN, 2007, ISBN-13: 978-0-8176-4482-6. Authors: DAMIAN TRIF.5. BOOK REVIEWS: BERNARD DACOROGNA AND CHIARA TANTERI, MATHEMATICAL ANALYSIS FOR ENGINEERS. Authors: DAMIAN TRIF.