@book{348235,
	author = {Campos, Marcos Lopes de },
	title = {Weed phytosociology in the cultivation of black beans under seeding densities in semi-arid},
	note = {

Publicação online; 31 ref.; 4 illus.; 1 table; Summaries (En, Pt)},
	url = {http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v18i4a2739/1543}
}