00340nam a2200121Ia 4500008004100000040002900041050002200070100002200092245005400114260002800168942000700196999001500203230107s9999||||xx |||||||||||||| ||und||  cChuka University Library  aGB 54.5bT37 1971  aTarling,D.H92920 0aContinental drift:a study of Earth moving surface  aPenguinbMiddlexxc1971  cBK  c8832d8832