au.\*:("DUNCAN ER")
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PRINCIPLES AND METHODS OF WIND-EROSION CONTROL IN IOWA.MOLDENHAUER WC; DUNCAN ER.1969; IOWA.STATE.UNIV.SCI.TECHNOL.-AGRIC.HOME.ECON.EXPER.STN.-SPEC.REP; USA; 1969, NUM. 0062, P. 5 A 19Miscellaneous
THE CLIMATOLOGY OF GROWING DEGREES IN IOWA = ETUDE CLIMATOLOGIQUE DES DEGRES DE CROISSANCE DANS L'ETAT D'IOWAFELCH RE; SHAW RH; DUNCAN ER et al.1972; IOWA STATE J. SCI.; U.S.A.; DA. 1972; VOL. 46; NO 4; PP. 443-461; BIBL. 10REF.Serial Issue
