About LONARDO P M
About Univ. Genoa, ITA
About LUCCA D A
About Oklahoma State Univ., USA
About DE CHIFFRE L
About Technical Univ. Denmark, DNK
About CIRP Annals (International Inst. for Production Engineering Research)
About surface roughness
About 表面測定
About Measuring methods and instruments of length,area,cross section,volume,angle
About 発展
About 動向