00303nam a2200121Ia 4500082001900000100001800019245004300037260003100080300002000111500004000131500000500171700000500176  a530.2bL951.VF  aLugt, Hans J.  aVortex flow in nature and technologyb  aNew YorkbJohn Wileyc1983  axv, 297p. Index  a"A wiley interscience publication".  a  a