MaPPOnly refereed papers are listed here (small selection only for the moment)
Observations
2008 : Donati et al, [http://adsabs.harvard.edu/abs/2008MNRAS.386.1234D Magnetospheric accretion on the T Tauri star BP Tauri]
2007 : Donati et al, [http://adsabs.harvard.edu/abs/2007MNRAS.380.1297D Magnetic fields and accretion flows on the classical T Tauri star V2129 Oph]
2007 : Johns-Krull, [http://adsabs.harvard.edu/abs/2007ApJ...664..975J The Magnetic Fields of Classical T Tauri Stars]
2006 : Donati et al, [http://adsabs.harvard.edu/abs/2006Sci...311..633D The Large-Scale Axisymmetric Magnetic Topology of a Very-Low-Mass Fully Convective Star]
2005 : Donati et al, [http://adsabs.harvard.edu/abs/2005Natur.438..466D Direct detection of a magnetic field in the innermost regions of an accretion disk]
Simulations
2008 : Bessolaz et al, [http://adsabs.harvard.edu/abs/2008A%26A...478..155B Accretion funnels onto weakly magnetized young stars]
2008 : Long et al, [http://adsabs.harvard.edu/abs/2008MNRAS.386.1274L Three-dimensional simulations of accretion to stars with complex magnetic fields]
2008 : Romanova et al, [http://adsabs.harvard.edu/abs/2008ApJ...673L.171R Unstable Disk Accretion onto Magnetized Stars: First Global Three-dimensional Magnetohydrodynamic Simulations]
2008 : Hennebelle & Teyssier, [http://adsabs.harvard.edu/abs/2008A%26A...477...25H Magnetic processes in a collapsing dense core. II. Fragmentation. Is there a fragmentation crisis?]
2008 : Hennebelle & Fromang, [http://adsabs.harvard.edu/abs/2008A%26A...477....9H Magnetic processes in a collapsing dense core. I. Accretion and ejection]