1. Be careful!: watch your step! Publication: [Bethesda, Md.] : Division of Safety, [19--?] Subject(s): Accident PreventionIceWalking
2. Third annual ASM Conference on Biotechnology Publication: Washington, D.C. : American Society for Microbiology, 1988 Subject(s): BiotechnologyIceBacterial Outer Membrane ProteinsCrystallization
