TY - BOOK AU - TI - PERMAFROST INTERNATIONAL CONFERENCE U1 - 551.384 PY - 1966/// CY - Washington PB - National Academy Of Sciences KW - Frozen Ground -- Congresses KW - Engineering -- Cold Weather Conditions -- Congresses N1 - Includes Bibliography; Sponsored By Building Advisory Board, National Academy Of Sciences-National Research Council, And Held At Purdue University Lafayette, Ind., Nov. 11-15, 1963 ER -