TY - GEN AU - Hogenboom, N.g. AU - Lange, W AU - Zeven, A.C. TI - Efficiency in plant breeding : proceedings of the 10th congress of the European association for research on plant breeding, EUCARPIA, Wageningen, the Nethurlands, 19-24 June 1983 U1 - 631.53 LAN CY - Dehra Dun, International Book Distributors KW - Plant breeding ER -