Sinha, T. A. K. Space and time, vol. II T. A. K. Sinha - Varanasi Raghuvanshi Colony 1977 - 255p. col.fig.;ill.;index 2011 Book Subjects--Topical Terms: Earthquakes And VolcanosSpace And TimeUniversal Magnetic Balance Universal Decimal Class. No.: 52spc+529.7 / SIN