diff --git a/literature/Lambin1985 Phys. Rev. B 32 8203-8215.pdf b/literature/Lambin1985 Phys. Rev. B 32 8203-8215.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..56ffb4ae898b6a59d50e920a4426f86e550cde76
Binary files /dev/null and b/literature/Lambin1985 Phys. Rev. B 32 8203-8215.pdf differ
diff --git a/literature/Lambin90.pdf b/literature/Lambin1990 Comp. Phys. Comm. 60 351-364.pdf
similarity index 100%
rename from literature/Lambin90.pdf
rename to literature/Lambin1990 Comp. Phys. Comm. 60 351-364.pdf