IS:9671-1980. Indian standard specification for frequency weighting for me measurement of air craft noise (D0 weighting).
Indian Standards Institution[ISI]
IS:9671-1980. Indian standard specification for frequency weighting for me measurement of air craft noise (D0 weighting). - New Delhi Indian Standards Institution 1981 - 5p.
ENG
IS Code / I.S.I
IS:9671-1980. Indian standard specification for frequency weighting for me measurement of air craft noise (D0 weighting). - New Delhi Indian Standards Institution 1981 - 5p.
ENG
IS Code / I.S.I