Husna, Nurlaela Raul and Satria Bijaksana (2002) “PENGUKURAN STABILITAS NATURAL REMANENT MAGNETIZATION (NRM) BATUAN VULKANIK GUNUNG MERAPI DI JAWA TENGAH”, Jurnal Sains Materi Indonesia, 3(2), pp. 63–67. doi: 10.17146/jusami.2002.3.2.5237.