Minas históricas de la República Mexicana; revista de las minas descubiertas en los tres ultimos siglos. Escrita con datos tomados de las obras de Humboldt, Ward, Burkart, Egloffstein ...

Mode of access: Internet.

Emergency spills research strategy 1980-1984 /

Mode of access: Internet.

Chemical emergency preparedness and prevention technical assistance bulletin : New York, New York : El Paso County, Colorado : Alexandria, Virginia : State of Maine.

"March 1990."

Chemical emergency preparedness and prevention technical assistance bulletin : Tinker Air Force Base, Oklahoma : State of Connecticut : Cumberland County, Maine : Wyandotte County, Kansas.

Mode of access: Internet.

Chemical emergency preparedness and prevention technical assistance bulletin : state of Ohio : Hamilton County, Ohio : Wallingford, Connecticut : Oauchita Parish, Louisiana.

Mode of access: Internet.

Occupational exposure to bloodborne pathogens : precautions for emergency responders.

"OSHA 3130."