TY  - JOUR
DO  - 10.5169/seals-164998
DB  - https://www.e-periodica.ch
T1  - Schizosphaerella punctulata Deflandre & Dangeard : wall ultrastructure and preservation in deeper-water carbonate sediments of the Tethyan Jurassic
AU  - Kälin, Otto
JF  - Eclogae Geologicae Helvetiae
PB  - Birkhäuser Verlag Basel
Y1  - 1980
VL  - 73
IS  - 3
SP  - 983
SN  - 0012-9402
ER  -