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A DESCRIPTION AND INVENTORY OF THE DISPLAYS OF THE MACCOA DUCK OXYURA MACCOA. = DESCRIPTION ET INVENTAIRE DES DEMONSTRATIONS ET POSTURES PROPRES AU CANARD MACCOA O.MSIEGFRIED WR; VAN DER MERWE FJ.1975; Z. TIERPSYCHOL.; DTSCH.; DA. 1975; VOL. 37; NO 1; PP. 1-23; ABS. ALLEM.; BIBL. 1/2 P.Article
NET UTILIZATION OF ROUGHAGE AND CONCENTRATE DIETS BY SHEEPWILKE PI; VAN DER MERWE FJ.1976; BRIT. J. NUTRIT.; G.B.; DA. 1976; VOL. 35; NO 2; PP. 201-209; BIBL. 13 REF.Article