How are spies treated by other countries?

GDR espionage. From Albania to Great Britain. Edited by Helmut Müller-Enbergs and Thomas Wegener Friis, Frankfurt a. M .: Verlag für Polizeiwissenschaft 2018, 320 p. (= Analysis of security issues, 6), EUR 34.90 [ISBN 978-3-86676-535-1]

Riegler, Thomas. "GDR espionage. From Albania to Great Britain. Ed. By Helmut Müller-Enbergs and Thomas Wegener Friis, Frankfurt a. M .: Verlag für Polizeiwissenschaft 2018, 320 pages (= analysis of security issues, 6), EUR 34.90 [ ISBN 978-3-86676-535-1] " Military history magazine, vol. 78, no. 2, 2019, pp. 586-589. https://doi.org/10.1515/mgzs-2019-0118

Riegler, T. (2019). GDR espionage. From Albania to Great Britain. Edited by Helmut Müller-Enbergs and Thomas Wegener Friis, Frankfurt a. M .: Verlag für Polizeiwissenschaft 2018, 320 p. (= Analysis of security issues, 6), EUR 34.90 [ISBN 978-3-86676-535-1]. Military history magazine, 78(2), 586-589. https://doi.org/10.1515/mgzs-2019-0118

Riegler, T. (2019) GDR Espionage. From Albania to Great Britain. Edited by Helmut Müller-Enbergs and Thomas Wegener Friis, Frankfurt a. M .: Verlag für Polizeiwissenschaft 2018, 320 p. (= Analysis of security issues, 6), EUR 34.90 [ISBN 978-3-86676-535-1]. Militaergeschichtliche Zeitschrift, Vol. 78 (Issue 2), pp. 586-589. https://doi.org/10.1515/mgzs-2019-0118

Riegler, Thomas. "GDR espionage. From Albania to Great Britain. Ed. By Helmut Müller-Enbergs and Thomas Wegener Friis, Frankfurt a. M .: Verlag für Polizeiwissenschaft 2018, 320 pages (= analysis of security issues, 6), EUR 34.90 [ ISBN 978-3-86676-535-1] " Military history magazine 78, no.2 (2019): 586-589. https://doi.org/10.1515/mgzs-2019-0118

Riegler T. GDR espionage. From Albania to Great Britain. Edited by Helmut Müller-Enbergs and Thomas Wegener Friis, Frankfurt a. M .: Verlag für Polizeiwissenschaft 2018, 320 p. (= Analysis of security issues, 6), EUR 34.90 [ISBN 978-3-86676-535-1]. Military history magazine. 2019; 78 (2): 586-589. https://doi.org/10.1515/mgzs-2019-0118