00361nam a22000857a 4500008004100000040005500041245014100096260002800237300001000265230717b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aManual for surveying national scientific and technological potential: bCollection and processing of data management of the r & d system  aParis: bUNESCO, c1970  a251p.