References
^ O'brien, Damien (2014). The Time Has Come: Ger Mcdonnell - His Life & His Death on K2, Dufour Editions. BiggerBooks. ISBN 9781848891432 (revised Aug 2023)^ (2013). The Time Has Come: Ger Mcdonnell - His Life & His Death on K2 ECampus. ISBN 9781848891432 (revised Feb 2023)
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