CAGÁŇ, Ľudovít - TÓTH, Peter - TÓTHOVÁ, Monika. Population dynamics of Chaetocnema tibialis Illiger and Phyllotreta vittula (Redtenbacher) on the weed Amaranthus retroflexus L. and cultivated Amaranthus caudatus L. In Plant protection science. ISSN 1212-2580, 2006, vol. 42, no. 2, p. 73-80. Dostupné na internete:<http://www.cazv.cz/userfiles/File/PPS%2042_%2073-80.pdf>