TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Specification for apparatus for use in measurement of length change of hardened cement paste , mortar and concrete / 
U1  - 666.9 
PY  - 1980///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -