Authors: HELMENS KF RUTTER NW KUHRY P

Citation: Kf. Helmens et al., GLACIER FLUCTUATIONS IN THE EASTERN ANDES OF COLOMBIA (SOUTH-AMERICA)DURING THE LAST 45,000 RADIOCARBON YEARS, Quaternary international, 38-9, 1997, pp. 39-48

Authors: HELMENS KF BARENDREGT RW ENKIN RJ BAKER J ANDRIESSEN PAM

Citation: Kf. Helmens et al., MAGNETIC POLARITY AND FISSION-TRACK CHRONOLOGY OF A LATE PLIOCENE-PLEISTOCENE PALEOCLIMATIC PROXY RECORD IN THE TROPICAL ANDES, Quaternary research, 48(1), 1997, pp. 15-28

Authors: CLAPPERTON CM HALL M MOTHES P HOLE MJ STILL JW HELMENS KF KUHRY P GEMMELL AMD

Citation: Cm. Clapperton et al., A YOUNGER DRYAS ICECAP IN THE EQUATORIAL ANDES, Quaternary research, 47(1), 1997, pp. 13-28

Authors: HELMENS KF KUHRY P RUTTER NW VANDERBORG K DEJONG AFM

Citation: Kf. Helmens et al., WARMING AT 18,000-YR-BP IN THE TROPICAL ANDES, Quaternary research, 45(3), 1996, pp. 289-299

Authors: ANDRIESSEN PAM HELMENS KF HOOGHIEMSTRA H RIEZEBOS PA VANDERHAMMEN T

Citation: Pam. Andriessen et al., ABSOLUTE CHRONOLOGY OF THE PLIOCENE-QUATERNARY SEDIMENT SEQUENCE OF THE BOGOTA AREA, COLOMBIA, Quaternary science reviews, 12(7), 1993, pp. 483-501