1. BS 308 Part 2: recommendations for dimensioning and tolerancing of size 1985;British Standards Institution,1985
2. BS 308 Part 1: recommendations for general principles 1984;British Standards Institution,1984
3. PADL1: dimensioning and tolerancing;Requicha,1977
4. Analysis of dimensions and tolerances in computer-aided mechanical design;Hillyard;Comput.-Aided Des.,1978
5. Modification of geometric models through variational geometry;Light;Comput.-Aided Des.,1982