TY - RPRT TI - Pollination and embryo development in Brassica rapa L. in microgravity AU - Kuang, A. AU - Popova, A. AU - Xiao, Y. AU - Musgrave, M. E. PY - 2000 UR - https://ntrs.nasa.gov/citations/20040141597 ID - 20040141597 ER -