TY  - BOOK
AU  - Chaudhary, S. K.
TI  - Encyclopaedia of teaching of library science : : vol.5, library preservation and conservation
SN  - 9788131311189(hbk)
U1  - 020.7 
PY  - 2011///
CY  - New Delhi
PB  -  APH Publishing Corporation
ER  -