Soils and pulses : symbiosis for life / contributing authors Altobelli Filiberto ... [et al.] . Rome :  Food and Agriculture Organization of the United Nations , 2009 . ix, 104 s . ISBN 978-92-5-109501-0
http://www.fao.org/3/a-i6437e.pdf . [1, z toho požičaných 0]