1.
Introduction to Programmable Logic Controllers : The Mitsubishi FX
by Ridley, John E.
ISBN: 9780470237298
List Price: $75.00
OUT OF STOCK
See Availability on Amazon2.
Preliminary Investigations on the Use of Ozone to Extend the Shelf-Life and Maintain the Mar...
by Ridley, John D., Sims, E. T.
ISBN: 9780598744227
List Price: $30.00