Authors: Aral, N Gunay, A Sevimoglu, O Cali, M Debik, E

Citation: N. Aral et al., Ammonia removal from aqueous solution by ion exchange using natural zeolite, FR ENV BULL, 8(5-6), 1999, pp. 344-349

Authors: Cali, M

Citation: M. Cali, The "seconda-maniera" of Luca Cambiaso's secular paintings, PROSPETTIVA, (93-94), 1999, pp. 64-68