Determination of volatile organic compounds in coal, fly ash and slag samples by direct thermal desorption/GC/ms G. Fernández-Martínez, P. López-Mahía, S. Muniategui-Lorenzo and D. Prada-Rodríguez Analusis, 28 10 (2000) 953-959 DOI: 10.1051/analusis:2000161