00738nam a2200205Ia 4500 CTU_84129 210402s9999 xx 000 0 und d 338.4 H717 Hohenberg, Paul M. Chemicals in western Europe:1850-1914 : An economic study of technical change Paul M. Hohenberg Chicago Rand McNally And Company 1967 Contents: Soda and related heavy chemicals; Coal-tar and oranic chemicals; Chemical fertilizers; Electricity and chemical processes Chemical industry,Công nghiệp hóa chất QHieu(sửa) Trung tâm Học liệu Trường Đại học Cần Thơ