00640nam a22001937a 4500 19666 20261006005107.0 150126b xxu||||| |||| 00| 0 eng d 9780632041916 631.52 SIM 1999 Simmonds, N. W., 1922- 20775 Principles of crop improvement / N.W. Simmonds, J. Smartt ; with chapter 9 contributed by S. Millam and W. Spoor. 2nd ed. Oxford ; Malden, MA, USA : Blackwell Science, c1999. xii, 412 p. : ill. ; 25 cm. Crop improvement. 20776 Smartt, J. 20777 ddc OS 19666 19666 0 0 ddc 0 0 NU NU 2015-01-26 0 631.52 SIM 1999 21571 2015-02-09 00:00:00 499.00 2015-01-26 OS