1. Arora B R and Sri Niwas 1997 Natural source electromagnetic inductions in the Earth; New Age International (P) Limited, Publisher, ISBN 81-224-1025-1.
2. Arora B R, Rawat G and Mishra S S 2012a Indexing of ULF electromagnetic emission to search earthquake precursors; In: The frontier of earthquake prediction studies (ed.) Hayakawa M, Nihon-Senmontosho-Shuppan, Tokyo, pp. 346–362.
3. Arora B R, Rawat G, Kumar N and Choubey V M 2012b Multi-parameter geophysical observatory: Gateway to integrated earthquake precursory research; Curr. Sci. 103(11) 1286–1297.
4. Becerra E F and Abdeslem J G 2011 A possible seismomagnetic precursor of the El Mayor-Cucapah earthquake (Mw 7.2) of April 4, 2010, Baja California, Mexico; Geofis. Int. 50(2) 211–225.
5. Depueva A Kh and Ruzhin Yu Ya 1995 Seismoionospheric fountain-effect as analogue of active space experiment; Adv. Space Res. 15(12) 151–154.