Williams, E.R. Experimental design and analysis for use in tree improvement / by E.R. Williams and A.C. Matheson - East Melborne : CISRO Information Services. - 174 p. : maps ; 26 cm. ISBN: 064305555X Subjects--Topical Terms: Forests and forestry--Research; Provenance trails; Biometry. Dewey Class. No.: 634.956 WIL / 946