00408nam a22001337a 4500008004100000040005500041080001700096100002300113245003700136260005400173300001400227650001500241653001800256230321b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a65.012.4bL0  aVardaman, George T  aEffective communication of ideas  aNew York: bVan Nostrand Reinhold Company, c1970  aix, 255p.  aManagement  aCommunication