1. The Quad-CIF tree: A Data structure for Hierarchical On-Line Algorithms;Kedem,1982
2. Two-layer Quad Trees: A Data Structure for High-Speed Interactive Layout Tools;Li;IEEE Trans. on CAD,1988
3. Design for E-beam debuggability;Melgara,1988
4. Local field effects on voltage measurement using a retarding field analyser in the scanning electron microscopy;Fujioka;Scanning Electron Microscopy,1981