Finished SotA

docs/bibliography/bibliography.bib

@@ -334,6 +334,23 @@
 @online{bcc_github,
 	title={BPF Compiler Collection (BCC)},
 	url={https://github.com/iovisor/bcc}
+},
+
+@online{libbpf_upstream,
+	title={BPF next kernel tree},
+	url={https://kernel.googlesource.com/pub/scm/linux/kernel/git/bpf/bpf-next}
+},
+
+@online{libbpf_github,
+	indextitle={libbpf GitHub},
+	url={https://github.com/libbpf/libbpf}
+},
+
+@online{libbpf_core,
+	title={BPF Portability and CO-RE},
+	url={https://facebookmicrosites.github.io/bpf/blog/2020/02/19/bpf-portability-and-co-re.html},
+	author={Andrii Nakryiko},
+	date={2020-02-19}
 }
 
 
@@ -343,4 +360,3 @@
 
 
 
-