Dryden, C. E., Rao, M. G., Sittig, M., & Panesar, D. S. (1973). Outlines of chemical technology (2nd ed., revised.). New Delhi: Affiliated East-West Press.
Παραπομπή Chicago StyleDryden, Charles E., M. Gopala Rao, Marshall Sittig, and D. S. Panesar. Outlines of Chemical Technology. 2nd ed., revised. New Delhi: Affiliated East-West Press, 1973.
Παραπομπή MLADryden, Charles E., M. Gopala Rao, Marshall Sittig, and D. S. Panesar. Outlines of Chemical Technology. 2nd ed., revised. New Delhi: Affiliated East-West Press, 1973.
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