TY - BOOK AU - Mahanta, Mrigendra Narayan . TI - Apekshikatabad U1 - 531.51 PY - 1961/// CY - Guwahati (Assam) PB - Prakashan Parishad KW - Theory of Relativity KW - Relativity-Theory KW - G-Physics KW - T/G-Physics ER -