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- [6] Economic factors in chemical industry INDUSTRIAL AND ENGINEERING CHEMISTRY, 1927, 19 (01): : 1085 - 1087
- [7] Despite the economic downturn and price crosion in some segments Chemical Market Reporter, 2002, 261 (19):
- [9] Some economic aspects of chemical production INDUSTRIAL AND ENGINEERING CHEMISTRY, 1928, 20 (01): : 250 - 253