1. FIRE ON THE MOUNTAIN. DISTURBANCE AND REGENERATION IN DECIDUOUS AND CONIFER FORESTS. 20 YEARS OF EXPERIENCE. Authors: ERHARD SCHULZ, HUSSEIN ALMOHAMAD, ATTILA BENCSIK, HOREA CACOVEAN, MATHIAS HALL.2. DRUGS, FLIGHT, AND MIGRATION. A COMPARISON OF NORTH AND WEST AFRICA, NEAR EAST AND EUROPE. Authors: ERHARD SCHULZ, HUSSEIN ALMOHAMAD, SANI IBRAHIM.