(331) B. Zalar, Norm os sums of Peirce projections; Asian-European Journal of Mathematics Vol. 2, No. 3 (2009) 521-531

(332) Isidro, Jose-M.; On linear isometries of Banach lattices in C_0(Omega)-spaces. Proc. Indian Acad. Sci. Math. Sci. 119 (2009), no. 5, 635--645.