00310nam a2200097Ia 450000500170000000800410001705000170005810000190007524500480009426000700014220251229182905.0251229s9999    xx            000 0 und d  aSB 187 .N4H3  aHadfield, J.W  0aArable farm crops of newzealandcJ Hadfield  aUSAb N.Z. Department of scientific and industrial researchc1952