American Petroleum Institute <br/><br/>
Recommended practice for design and operation of subsea pro-duction systems / American Petroleum Institute. 

 - Washington, D. C.  Laboratorio Nacional de Engenharia CivilCabezales (Pozos Petroleros) - Instalación - Especificacion-es. 
 - 88 p. 
 - API recommended practice ; 17 A .