Conference paper (2012) - H Cao (author), H. Cao (author), JH Batool (author), J.H. Qureshi (author), J.H. Batool (author), JH Qureshi (author), T Eriksson (author), C Fager (author), Leo C. N. de Vreede (author), Leo De Vreede (author), Leonardus De Vreede (author), Leo C.N. Vreede (author), Leo Vreede (author), Leonardus Cornelis Nicolaas De Vreede (author), Leo C. N. De Vreede (author), LCN de Vreede (author), Leo C.N. De Vreede (author), Leo C. N. de De Vreede (author), L.C.N. de Vreede (author), LCN Vreede (author), Leo C.N. de Vreede (author), Leonardus Vreede (author), Leonardus Cornelis Nicolaas Vreede (author), Leonardus de Vreede (author), Leo C. N. de Vreede (author), L.C.N. De Vreede (author), L.C.N. Vreede (author), L.C.N. de de Vreede (author), Leo de Vreede (author), Leo C. N. de de Vreede (author), LCN De Vreede (author), L.C.N. de Vreede (author), L.C.N. de De Vreede (author), Leo C. N. Vreede (author), Leonardus Cornelis Nicolaas de Vreede (author)