au.\*:("KRAATZ GW")
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LEAF MOVEMENTS IN SICKLEPOD (CASSIA OBTUSIFOLIA) IN RELATION TO HERBICIDE RESPONSEKRAATZ GW; ANDERSEN RN.1980; WEED SCI.; USA; DA. 1980; VOL. 28; NO 5; PP. 551-556; BIBL. 8 REF.Article
DETERMINING PROJECTED LEAF AREA IN WEED CONTROL RESEARCHKRAATZ GW; ANDERSEN RN.1980; WEED SCI.; USA; DA. 1980; VOL. 28; NO 5; PP. 548-550; BIBL. 3 REF.Article