Animal genetic diversity in agriculture / Saša Dragin ... [et al.] . Nitra :  Slovak University of Agriculture , 2015 . 165 s . ISBN 978-80-552-1348-4
http://www.vydavatelstvo.uniag.sk/sk/aktualne-informacie-reader/items/Genetick%C3%A1_r%C3%B4znorodos%C5%A5_%C5%BEivo%C4%8D%C3%ADchov_v_po%C4%BEnohospod%C3%A1rstve/?file=tl_files/ves/images/Na%20stiahnutie/Animal%20genetic%20diversity%20in%20agriculture.pdf . [2, z toho požičaných 0]