Mills, D. P. D. (1989). Pneumatic conveying design guide. Butterworths.
Cita Chicago (17th ed.)Mills, David Ph. D. Pneumatic Conveying Design Guide. London: Butterworths, 1989.
Cita MLA (9th ed.)Mills, David Ph. D. Pneumatic Conveying Design Guide. Butterworths, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.