Reversed magnetic polarity at an early Lower Pleistocene site in Central Italy
M. Coltorti,
M. Cremaschi,
M. C. Delitala,
D. Esu,
M. Fornaseri,
A. McPherron,
M. Nicoletti,
R. van Otterloo,
C. Peretto,
B. Sala,
V. Schmidt, and
J. Sevink
1982
Article
Nature
300:173-176
Find it at: