Improving Environmental and Economic Performances of Clay Brick Industry in Egypt by Using Natural Gas as Alternative Fuel / Inas A. Saleh, Ahmed F. Mandour
  Bibliogr.: p. 320-321. - Abstr. eng.
  In: Central European Journal of Occupational and Environmental Medicine. - ISSN 1219-1221. - 2007. 13. évf. 3-4. sz., p. 311-321. : ill.