Kumar,Surendra Popular Master Guide joint CSIR-UGC: earth, atmospheric, ocean and planetary sciences / by Surendra Kumar and RPH Editorial Board - New Delhi : Ramesh publishing , 2017 - various pagination ; 23 cm. ISBN: 9788178129785 495 Subjects--Topical Terms: EARTH SCIENCESUGC NET EARTH SCIENCES Dewey Class. No.: 550.76 / KUM/P