1. Standing and Sitting Posture;Akerblom,1948
2. Behaviour, body mechanics and discomfort;Branton;Ergonomics,1969
3. Anatomical, physiological and anthropometric principles in the design of office chairs and tables;British Standard 3044,1958
4. Anthropometric recommendations for dimensions of non-adjustable office chairs, desks and tables;British Standard 3079,1959
5. Specifications for office desks, tables and seating;British Standard 3893,1965