TY - BOOK AU - Kumar,Surendra ED - RPH Editorial Board TI - Popular Master Guide joint CSIR-UGC: : earth, atmospheric, ocean and planetary sciences SN - 9788178129785 U1 - 550.76 21 PY - 2017/// CY - New Delhi PB - Ramesh publishing KW - EARTH SCIENCES KW - UGC NET EARTH SCIENCES ER -