TY - BOOK ID - 149871613 TI - Earth : an alien enterprise : the shocking truth behind the greatest cover-up in human history PY - 2013 SN - 9781639360369 PB - New York, New York : Pegasus Books, DB - UniCat KW - Human-alien encounters. UR - https://www.unicat.be/uniCat?func=search&query=sysid:149871613 AB - ER -