@article{articlea43b241d,
title   = {An experimental investigation on wear aspects of tapping operation on hardened steels},
author = {Coelho, Reginaldo Teixeira and Arai, Ricardo and Watanuki, Hugo Martinelli and Borges, Emanuel},
year = {2006},
doi = {10.1080/10910340600710097},
journal   = {Machining Science and Technology}
}