pdf Jeffery Kravitz Popular
In 2002 - Edinburgh, Scotland 1491 downloads
abstract__kravitz2.pdf
Non-Destructive Testing of Self- Contained Self- Rescuers Used in the United States and the Program to Develop a Universal Breathing and Metabolic Simulator
Jeffery Kravitz
Special Projects and Mine Emergency Operations, MSHA, US Department of Labor, Pittsburgh, Philadelphia, USA