American Society of Civil Engineering (ASCE). (1999). Earthquake-actuated automatic gas shutoff devices. Estados Unidos de América: American Society of Civil Engineering (ASCE).
Citación estilo ChicagoAmerican Society of Civil Engineering (ASCE). Earthquake-actuated Automatic Gas Shutoff Devices. Estados Unidos de América: American Society of Civil Engineering (ASCE), 1999.
Cita MLAAmerican Society of Civil Engineering (ASCE). Earthquake-actuated Automatic Gas Shutoff Devices. Estados Unidos de América: American Society of Civil Engineering (ASCE), 1999.
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