TY  - GEN
AU  - Balasubramanian, P .
TI  - Preservationand conservation of library resources 
SN  - 9789387698369 (hb)
U1  - 025.84 BAL/Pre  
PY  - 2020///
CY  - New delhi
PB  - Ess Ess Publications
KW  - Non Book materials
N1  - Include references
ER  -