535.2 LON 50981 50980 50982 50983 50984
Longhurst, R. S. Geometrical and physical optics / by R.S.Longhurst. - 3rd ed.. - New Delhi : Orient Longman, 1999 xviii, 677p. :ill. Includes index 81 250 1623 6 Rs.250.00 * Geothermal Physical optic Spectroscopy
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