id: 50230956 dt: j an: 50230956 au: Schulze, Bernd ti: Symmetric versions of laman’s theorem so: Discrete & Computational Geometry 44, No. 4, 946-972 (2010). py: 2010 pu: la: EN cc: ut: ci: li: doi:10.1007/s00454-009-9231-x