1. Hand tools for the 1990s;Eklund;Applied Ergonomics,1993
2. Development of prototype tools for field testing;Bobjer,1995
3. Folk norms and biomechanics;Drillis;Human Factors,1963
4. Ergonomic principles in the design of hand tools;Fraser,1980
5. An ergonomics guide to hand tools;Radwin,1995