About: http://webisa.webdatacommons.org/24279336

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	FAA Aviation News, July - August 1991 Development of the helicopter can be likened to a jigsaw puzzle with the correct placement of each piece solving such problems as lack of power, stability, control, and torque.
http://www.w3.org/ns/prov#wasQuotedFrom	efluids.com