TY - BOOK ID - 136747184 TI - Characterization of potential sources of magnetic anomalies within the crust in a tectonically active region : amphibolites and migmatites from Portillo Maar, New Mexico AU - Spear, Frank S. AU - Padovanni, Elaine. AU - Massachusetts Institute of Technology. AU - United States. PY - 1985 PB - [Cambridge, Mass.] : [Washington, D.C.]: [Massachusetts Institute of Technology] ; [National Aeronautics and Space Administration], DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136747184 AB - ER -