TY  - BOOK
TI  - Register of research in the social sciences:  In progress and in plan national institute of economic and social research
U1  - "sigma b4n3,N43, H5/RR" 
PY  - 1945///
CY  - Westminister
PB  - national institude of economic and social research London
N1  - Appendix: P 129-155; Bibliography: P 156
ER  -