International Symposium on Packaging and Transportation of Rrdioactive Materials,4th,Miami Beach,Fla International Symposium on Packaging and Transportation of Rrdioactive Materials,4th,Miami Beach,Fla,1974 Internatioanl Symposium on Packaging and Transportation of Radioactive Matereals.4th,Miami Beach,Fla Internatioanl Symposium on Packaging and Transportation of Radioactive Matereals.4th,Miami Beach,Fla,1974 International symposium on stress wave propagation in materials 4th Proceedings of the International Symposium on Packaging and Transportation of Radioactive Materials,Miami Beach,Fla,Sept.22-27.1974 Regulations for the safe transport of radioactive materials International Symposium on the Freeze-Drying of Biological Materials Regulation for the safe transport of radioactive materials 4th Proceedings of the International Symposium on Packaging and Transportation of Radiocative Materials,Miami Beach,Fla,Sept,22-27,1974