The new world screwwom eradication programme : North Africa : 1988-1992 / Food and Agriculture Organization of the United Nations ; pref. by Edouard Saouma . - Rome : FAO, 1992 . - 192 p. : ill., couv. ill. en coul. ; 24 cm. ISBN: 9789251032008 9251032009 Source: Fonds FACAGRO Universal Decimal Class. No.: 595.1