Online Access
http://retro.seals.ch/digbib/view?pid=rtp-003:1990:40::662http://retro.seals.ch/cntmng?type=pdf&pid=rtp-003:1990:40::662
Date
1990Type
ArticleIdentifier
oai:agora.ch:rtp-003:1990:40::662http://retro.seals.ch/digbib/view?pid=rtp-003:1990:40::662
doi:10.5169/seals-381417
http://retro.seals.ch/cntmng?type=pdf&pid=rtp-003:1990:40::662
DOI
10.5169/seals-381417ae974a485f413a2113503eed53cd6c53
10.5169/seals-381417