Author:

Walker,A.G.;Walker,J.W.

Year:

1986

Title:

Ultrastructure of Lower Cretaceous angiosperm pollen and early monocot evolution.

Reference:

Walker,A.G. et al. (1986) Ultrastructure of Lower Cretaceous angiosperm pollen and early monocot evolution. American Journal of Botany Vol. 73 # 5 P. 713- 713

Google Academy:

try to search by title in english