00481nam a2200133Ia 4500008004100000040001700041082002400058100001800082245005900100260002600159300001300185440007800198650007100276190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta660.28bH227S  aHammond, Rolt 0aSeparation and purification of materialscRolt Hammond  aLondonbHeywoodc1958  ax, 327p.  aPhysical processes in the chemical industry/ ed by J C Robb and W F Coxon  aDistillation; Separation (Technology); Solids; Nuclear engineering