TY - BOOK AU - Sirohi, R. S. TI - Course of experiments with He-Ne laser SN - 81-224-0311-5 U1 - 621.366 PY - 1991/// CY - New Delhi PB - Wiley Eastern KW - Eptics KW - Holography KW - Laser KW - Spatial filtering N1 - Includes index ER -