Reference
Saman Monfared, Ali Reza Monfared, Kavoos Khorshidiaan, Zargham Mohammadi, Razeyeh Khodaparast (2013): Prediction of Bees (Apoidea, Hymenoptera) Frequency and
Distribution Using Best linear Spatial Prediction Techniques
(Kriging and Cokriging) – Entomofauna – 0034: 81 - 104.