An article about forcible entry by braking a glass storefront as method of ventilation, also a good timing for vertical ventilation.
An article that provides information about breaking windows in case of fire. Creating an outlet so that high heat and toxic gases can rapidly escape also improves victims' survivability and can prevent dangerous flashovers and backdrafts.
7-page PDF document about understanding the conditions under which pieces actually fall out has been of considerable interest to many persons concerned with fire. Since the fire ventilation openings need to be known in order for fire models to be used, glass breakage has been of special interest to fire modelers.
Video length: 8 min 37 secs. A video that shows a firefighter who took the risk and freelanced the ventilation.