Zeszyty problemowe postępów nauk rolniczych.

no.240-241; no.242-244; no.245-250; no.251-254; no.255-256; no.257-259; no.260-263; no.264-266; no.267-269; no.270-274; no.275-279; no.280-283; no.284-285; no.286-287; no.288-290; no.291-293; no.294-296; no.297-299; no.300-302; no.303-305; no.306-308; no.309-312; no.314-316; no.317-320; no.321-323; no.324-325; no.326-330; no.331-332; no.333-336; no.338-340; no.341; no.342-345; no.346-349; no.350-354; no.355-358; no.359-362; no.363-366; no.367-370 Inc.; no.371-374; no.375-378 Inc.; no.380-382; no.383-386; no.388-391; no.392-395; no.396-399; no.400-403; no.404-407; no.408-411; no.412-415