Applications of laser‐induced breakdown spectroscopy for soil characterization, part II: Review of elemental analysis and soil classification - Villas-Boas, Paulino Ribeiro; Franco, Marco Aurélio de Menezes; Martin‐Neto, Ladislau; Gollany, Hero T.; Milori, Debora Marcondes Bastos Pereira (European Journal of Soil Science (EJSS), 2020)