Hammer, M. J., Hammer, M. J., Hammer Jr., M. J., & Hammer, M. J., Jr. (2001). Water and wastewater technology (4th ed.). Upper Saddle River, N.J.: Prentice Hall.
Παραπομπή Chicago StyleHammer, Mark J., Mark J. Hammer, Mark J. Hammer Jr., and Mark J. Hammer, Jr. Water and Wastewater Technology. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 2001.
Παραπομπή MLAHammer, Mark J., Mark J. Hammer, Mark J. Hammer Jr., and Mark J. Hammer, Jr. Water and Wastewater Technology. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 2001.
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