badi brugg

1. Chilton, John (2000): Heinz Isler. Thomas Telford Publishing, London (United Kingdom), ISBN 9780727728784, pp. 108.

   https://doi.org/10.1680/eccahi.28784

2. Ramm, Ekkehard / Schunck, Eberhard (1986): Heinz Isler Schalen. Karl-Krämer-Verlag, Stuttgart (Germany), pp. 68.