00438nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001700102100002700119245003600146260003800182300002000220650001600240CHAP20220329135648.0971013c19361957        r     00010     d  a40121  a41093  a45219  cCHAP  a551.792bF5500aFlint, Richard Foster.  aGlacial and pleistocene geology  aNew York :bWiley,c1936 (c.1957)  a553 p.b: ilus.14aGeología.