Dulle, J., Nemeth, S., Skorb, E. V., Irrgang, T., Senker, J., Kempe, R., Fery, A., & Andreeva, D. V. (2012). Sonochemical activation of Al/Ni hydrogenation catalyst. Advanced Functional Materials, 22(15), 3128-3135. doi:10.1002/adfm.201200437.