00309nam a2200097Ia 4500008004100000100001500041245007800056245002700134260000900161856004100170160531s9999    xx            000 0 und d  aLeader, E. 4aThe angular momentum controversy: What's it all about and does it matter?  cby E. Leader, C. Lorce  c2013  uhttp://arxiv.org/pdf/1309.4235v1.pdf