TY - BOOK AU - Gupta; S.K.,Sabharwa;lR.C.,Verma;O.P.,Goyal;V.K. TI - Statistical physics and optics SN - 81-8045-075-9 U1 - 531 G93S PY - 2020/// CY - New Delhi PB - R. Chand & Co. KW - Physics ER -