Citation: Lh. Engels, ACHEMA-97 - MAIN THEMES OF THE 25TH CONFE RENCE AND EXHIBITION ON ENVIRONMENTAL-PROTECTION, BIOTECHNOLOGY, GENETIC AND SAFETY TECHNOLOGY, Gefahrstoffe, Reinhaltung der Luft, 57(11), 1997, pp. 475-478
Citation: Lh. Engels, HEALTH PROTECTION IN THE WORKPLACE - REPO RT ON A CONFERENCE AND TRADE-FAIR HELD IN WIESBADEN, 28-30 SEPTEMBER 1994, Staub, Reihhaltung der Luft, 55(7-8), 1995, pp. 311-311
Citation: Lh. Engels, NEW PROCESSES FOR THE DETECTION OF MICROO RGANISMS, VIRUSES AND GENESIN THE ENVIRONMENT, Staub, Reihhaltung der Luft, 55(6), 1995, pp. 220-220
Citation: Lh. Engels, DESULFURIZATION OF WASTE GASES IN FURNACE S WITH LESS-THAN 50 MW HEATOUTPUT, Staub, Reihhaltung der Luft, 55(6), 1995, pp. 228-228
Citation: Lh. Engels, DECHEMA ANNUAL-MEETINGS 1995 - NEW RESEAR CH RESULTS IN THE AREAS OF CHEMICAL-ENGINEERING, BIOTECHNOLOGY, ENVIRONMENTAL-PROTECTION AND PLANT SAFETY, Staub, Reihhaltung der Luft, 55(11), 1995, pp. 433-435
Citation: Lh. Engels, 8TH INTERNATIONAL FAIR ON ENVIRONMENTAL-P ROTECTION AND WASTE MANAGEMENT TECHNOLOGIES, Staub, Reihhaltung der Luft, 55(10), 1995, pp. 393-394