Author:

Vieira,C.E.L.;Iannuzzi,R.;Guerra-Sommer,M.;D­az-Mart­nez,E.;Grader,G.W.

Year:

2004

Title:

Permian plants from the Chutani Formation (Titicaca Group, northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca.

Reference:

Vieira,C.E.L. et al. (2004) Permian plants from the Chutani Formation (Titicaca Group, northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca. Anais da Academia Brasileira de CiЄncias Vol. 76 # 1 P. 117- 128

Google Academy:

try to search by title in english