TY - BOOK AU - Subbarao, Ayyalasomayajula TI - NONLINEAR EFFECTS IN HOLOGRAPHY, LIGHT CAUSTICS AND SINGULARITIES IN OPTICAL FIELDS U1 - 621.3675 PY - 1989/// CY - Kanpur PB - I.I.T., Dept. Of Physics KW - Holography N1 - Thesis (Ph.D.) -- I. I. T., Kanpur ER -