=LDR 00000nam a2200000ui 4500 =001 4468 =008 250530nuuuu\\\\xx\|||||||||||||||||eng\d =082 04$a551.38 COR =100 1\$aCorte, Arturo E. =245 10$aProblems of ice-wedge structures and frost-fissure polygons =852 \\$bFreeman Library$cPamphlets$h551.38 COR