Comparison of pure and combined search strategies for single and multiple targets Vladimir V. Palyulin, Vladimir N. Mantsevich, Rainer Klages, Ralf Metzler and Aleksei V. Chechkin Eur. Phys. J. B, 90 9 (2017) 170 Published online: 13 September 2017 DOI: 10.1140/epjb/e2017-80372-4