000 003000000a22001210004500
245 _aAxial flow fans : design and practice
100 _aWallis, R.A.
260 _aLondon
_bGeorge Newnes
_c1961
300 _aix, 366p. : ill., plates
080 _a621-154
_bW3
041 _aEN
942 _cBK
_03
999 _c102420
_d102420