Microspheres, microcapsules and liposomes, Vol. 1: preparation and chemical applications, Vol. 2: medical and biotechnology applications: R. Arshady; Citus, 1999, ISBN Vol. 1, 0 9532187 1 6, Vol. 2, 0 9532187 2 4, Vol. 1, 576+xxiii, Vol. 2, 695+xi