TY  - BOOK
ED  - Indian Standards Institution
TI  - Indian standard recommendation for labour output constants for building work: pt. 1, north zone
PY  - 1974///
CY  - New Delhi
PB  - Indian Standards Institution
KW  -  Building Work
KW  -  Standards 
KW  - NASA Thesaurus 
N1  - IS 7272 : Part 1 : 1974
ER  -