TY - BOOK AU - Nagpal Om Prakash AU - Prof C S G K Setty Supervisor AU - University of Delhi. Faculty of Science. Department of Physics and Astrophysics ED - University of Delhi. Faculty of Science. Department of Physics and Astrophysics TI - Some studies of the atmospheric gravity wave effects on the fregion of the ionosphere PY - 1973/// KW - PHYSICS ER -