00314nam a2200109Ia 450000500170000000800410001708200150005810000210007324500590009426000440015330000070019720260225051045.0260224s9999||||xx |||||||||||||| ||und||  a630.72 AND  aChris O. Andrew  0aPlanning and conducting applied agricultural research   aColorado: Westview Tropical Pressc1982  a94