Bash Pocket Reference
Arnold Robbins
Google Cloud Platform in Action
John J. Geewax & John Geewax
UMTS Networks: Architecture, Mobility and Services
Heikki Kaaranen & Ari Ahtiainen & Lauri Laitinen & Siamäk Naghian & Valtteri Niemi
Java 8 in Action: Lambdas, Streams, and Functional-Style Programming
Raoul-Gabriel Urma & Mario Fusco & Alan Mycroft
Gchq
Richard Aldrich