TY  - BOOK
AU  - Mishra Minakshi
AU  -  Prof. C. P. Vashishth Gu.
AU  - University of Delhi. Faculty of Arts. Department of Library and Information Science
ED  - University of Delhi. Faculty of Arts. Department of Library and Information Science
TI  - Comparative study of preserved context indexd system (Precis) and postulate-based permuted subject indexing (POPSI)
PY  - 1991///
KW  - LIBRARY SCIENCE
ER  -