00331nam a22001337a 4500008004100000082001600041100001900057245004200076250000800118260003400126300001400160365001000174650001300184200106b           ||||| |||| 00| 0 eng d00a621.1bE131  aEason, Alec B.10aFlow and measurement of air and gases  a2nd  aLondonbCharles Griffinc1930  axii,254p.  d14.03 0aAir flow