TY - BOOK TI - The national geographic magazine. Vol. 8, 1970s : with 3 CDs SN - 0791128040 U1 - NB0061 PY - 1997/// CY - Washington D.C. PB - National Geographic Society N1 - CD-1 : Jan.1970-Apr.1973 CD-2 : May.1973-Aug.1976 CD-3 : Sep.1976-Dec.1979. The 70s contains the enlightening stories of the change in global consciousness during this transformational era for the very first time on CD-ROM ER -