TY  - BOOK
AU  - Indian Standards Institution
TI  - Indian standard electrotechnical vocabulary part XXXIII piezo-electric filters: electrotechnical standards sectional committee, ETDC 1
U1  - IS:1885(pt.XXXIII)-1972 621.3815324 I.S.I. 
PY  - 1972///
CY  - Indian Standards Institution, New Delhi
ER  -