References
^ GILJE,KARIANNE BJELLAS (2014). Grete Prytz Kittelsen : The Art of Enamel Design, W W NORTON. BiggerBooks. ISBN 9780393733310 (revised Nov 2023)^ (2013). Grete Prytz Kittelsen : The Art of Enamel Design ECampus. ISBN 9780393733310 (revised Dec 2016)
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