1. A classification of materials which can be cryogenically recycled;Michalski,1976
2. Experimental investigation of spray cooling of high temperature surfaces;Gaugler,1966
3. Liquid nitrogen for food freezing;Davidge;Fd Trade Rev.,1966
4. Liquid nitrogen upgrades arrival of perishable cargoes;Dixon;Fd Process. Mktg,1966
5. Cryogenic freezing;Holdsworth;Fd Mf.,1967