Walter H Duda quot Cement Data Book quot amp Notas de Prof Pierre Claude A 239 tcin Binders for Durable Aula Prof Eduardo Thomaz and Sustainable Concrete Walter H Duda Cement Data Book 3 volumes French amp European Pubns 1988 Volume 1 International Process Engineering in the Cement Industry Walter H Duda 1985 Volume 2 Automation Storage Transportation Dispatch Walter H Duda1984