cinco cores: branco pérola, cinza claro, sarrubeco claro, sarrubeco, castanho

2017

Blindness and deafness exercises

2017

Einige Beobachtungen über Wildblumen: Bienen-Ragwurz (Ophrys apifera) und Schachblume (Fritillaria meleagris) or Some considerations on wild flowers: Bee Orchid (Ophrys apifera) and Chess Flower (Fritillaria meleagris)

Einige Beobachtungen über Wildblumen: Bienen-Ragwurz (Ophrys apifera) und Schac...

2011

Einige Beobachtungen über Insekten: Langhornbiene (Eucera longicornis) or Some considerations on insects: Long-horned Bee (Eucera longicornis)

Einige Beobachtungen über Insekten: Langhornbiene (Eucera longicornis) or Some ...

2010

W, that’s the way I see it (or the notebook, a user’s manual of an amateur who classifies things)

W, that’s the way I see it (or the notebook, a user’s manual of an amateur w...

2007

some aspects of color in general and red and black in particular

2007

one hundred and sixty three shades of yellow, green, orange, red, purple, brown, grey and blue (so far)

one hundred and sixty three shades of yellow, green, orange, red, purple, brown,...

2005

january, 7:25

2004

Overvigilance

2001

203 photographs

1998

Human Resources: Abysses

1997