Assessment of trace elemental composition of air particulate matter at Hurghada, East Egypt / Mahmoud A. Hassanien, A. A. Shakour
  Bibliogr.: p. 300-301. - Abstr. eng.
  In: Central European Journal of Occupational and Environmental Medicine. - ISSN 1219-1221. - 1999. 5. évf. 3-4. sz., p. 291-301. : ill.