Ray Chaudhuri, D. P. Elements of physics / by D. P. Ray Chaudhuri - Calcutta : A. Mukherjee & Co., 1977 - 340 p. : ill ; 23 cm. Subjects--Topical Terms: Vortex-motion--Mathematical modelsVortex motion--fluid mechanicsPhysicsAristotle, Physics Dewey Class. No.: 530