TY  - BOOK
AU  - Shilova, N. B.
TI  - Development of leaf trace and atem structure in some species of the genus Crataegus L
KW  - Hojas
KW  - Tallo
KW  - Tejocote
KW  - FisiologÃ­a y morfologÃ­a
N1  - Sobretiro de: Botaniczeskii Zhurnal 58(2):177-178, 1973
ER  -