UNISIST 
C 137.132 


C 
her n s , Jack J. -Availabi1ity and Use 
of officia1 Publications in Libraries. 
~rep. by Jßck. J. Cherns. /Mit Tab./ (
Paris:) General Inform~tion Programme and 
UNISIST; United Nations Educationa1, 
Scientific and Cultura1 Organization 1983. 

40

VIII, 132 S.