World list of future internat. meetings, part I: science, technology, agriculture, medicine; part II: social, cultural, commercial, humanistic 

 - washington, d.c. :  library of congress, 
 - Bimestral 
 = World list of future internat. meetings, part I: science, technology, agriculture, medicine; part II: social, cultural, commercial, humanistic 
<br/><br/><label>Subjects--Index Terms: </label>VARIOS CIENCIAS EN GENERAL BIBLIOGRAFIA;  INDICES