S. Nielsen

发表

CONSTRAINTS TO ADOPTION OF IMPROVED TECHNOLOGY FOR BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM) CULTIVATION IN PUNJAB, PAKISTAN

M. Tufail, A. Southwell, J. Piltz, 2017, Experimental Agriculture.

Protection from the Effects of Ultraviolet Radiation by the Encapsulating Structures of Embryos of Physa SP., a Freshwater, Pulmonate Snail

S. Nielsen, 2004 .