Crop protection information on international perspective : proceedings of the International Crop Protection Information Workshop, held at CAB International, Wallingford, UK April 1989

Crop protection information on international perspective : proceedings of the International Crop Protection Information Workshop, held at CAB International, Wallingford, UK April 1989 by K.M. Harris; P.R. Scott text Wallingford CAB International 1989 Ind PLANT PROTECTION INFORMATION SYSTEMS