Pfalz Flugzeugwerke (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pfalz Flugzeugwerke" in Spanish language version.

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doi.org

dx.doi.org

Genchi, Giuseppe; Sorge, Francesco. The Rotary Aero Engine from 1908 to 1918. Dipartimento di Ingegneria Chimica, Gestionale, Informatica, Meccanica. Università degli Studi di Palermo. doi:10.1007/978-94-007-4132-4_2.

worldcat.org

Gray, Peter L (1966). «The Siemens Schuckert D.III and D.IV». Profile Publications No 86 (Profile Publications). OCLC 838341709.