00326nam a2200121Ia 4500003000600000005001700006008004100023040002500064082001800089100002000107245003700127260004000164NORSU20240412024810.0240215s9999 xx 000 0 und d aNORSU-DumcNORSU-Dum aGR/658.45/V42 aGeorge Vardaman 0aEffective Communication of Ideas bVan Nostrand Reinhold Companyc1970