Deffner \u0026 Johann GmbH presents: Parchment Restoration - Pergamentrestaurierung

(4:10)

Lascaux - Brillant glazings: an easy guide; presented by Deffner and Johann

(2:16)

Lascaux Impasto Gel - Transfer Technology - presented by Deffner \u0026 Johann Gmbh

(3:54)

Lascaux Sizing - the correct way to pre-treat supports; presented by Deffner und Johann

(5:43)

Dominik Deffner - Computational models of decision-making in unconstrained human collectives

(1:2:14)

GRIT-X 2022: Sebastian Deffner

(12:32)

How to pack art objects in emergency situations, presented by Deffner und Johann GmbH

(9:57)

ERIC BOTELLO \u0026 KAREN DEFFNER | MAMBO | TODC - AUG 2022 | TX, USA #mambo

(32)

Photography-An Art and Passion:Andreas Deffner at TEDxHindustanUniversity

(14:39)

Deffner \u0026 Johann presents: Soft Particle Blasting - setup and implementing

(4:57)

Lascaux Brush Cleaner - presented by Deffner \u0026 Johann Gmbh

(2:9)

Dominik Deffner: Linking social learning to collective spatial dynamics in naturalistic environments

(1:46)

O Holy Night: Tenor Hannes Busch \u0026 Pianist Ellen Deffner

(6:2)

Gamblin Conservation Colors - im Deffner \u0026 Johann-Sortiment

(4:14)

Panis Angelicus: Tenor Hannes Busch \u0026 Pianist Ellen Deffner

(3:26)