000 00486nam a2200145Ia 4500
001 MPKV105497
008 120911s9999 xx 000 0 und d
100 _aSparks D L
245 _aAdvances in Agronomy Vol. 77
_cSparks D L;
246 _aAdvances in Agronomy Vol. 70
260 _aUSA
_bAcademic Press A Harcourt Science and Technology Company 525 B Street Suite 1900, San Diego, Califormia 92101-4495
_c2002
300 _axi
_b438pp
365 _b5853.95/-
700 _aSparks D L
999 _c68896
_d68896