TY - BOOK AU - Wilson,J.Tuzo TI - Continents adrift; readings from Scientific American SN - 0716708582 : 0716708574 (pbk) AV - QE511.5 .C66 U1 - 551.41 PY - 1972///] CY - San Francisco PB - W. H. Freeman KW - Continental drift KW - Plate tectonics N1 - Bibliography: p. [161]-167 ER -