Continued with the state of the art section

docs/bibliography/bibliography.bib

@@ -70,6 +70,24 @@
 @online{ebpf_android,
 	title={eBPF for Windows},
 	url={https://source.android.com/devices/architecture/kernel/bpf}
+},
+
+
+
+@article{bpf_bsd_origin,
+	title={The BSD Packet Filter: A New Architecture for User-level Packet Capture},
+	author={Steven McCanne, Van Jacobson},
+	institution={Lawrence Berkeley Laboratory},
+	date={1992-12-19},
+	url={https://www.tcpdump.org/papers/bpf-usenix93.pdf}
+}
+
+@misc{bpf_bsd_origin_bpf_scheme,
+	author={Steven McCanne, Van Jacobson},
+	institution={Lawrence Berkeley Laboratory},
+	date={1992-12-19},
+	url={https://www.tcpdump.org/papers/bpf-usenix93.pdf},
+	pages={2}
 }