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.