au.\*:("HALLIDAY WR")
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THE PARADISE ICE CAVES, WASHINGTON: AN EXTENSIVE GLACIER CAVERN.ANDERSON CH; HALLIDAY WR.1970; BULL. NATION. SPELEOL. SOC; USA; 1970, VOL. 32, NUM. 0002Miscellaneous
GLACIER CAVES. A NEW FIELD OF SPELEOLOGY.HALLIDAY WR; ANDERSON CH.1970; STUD. IN SPELEOL.; GBR; 1970, VOL. 2, NUM. 002 , P. 53 A 60Miscellaneous
