TY  - GEN
AU  - Sporne , K.R.
TI  - The morphology of gymnosperms: the structure and evolution of primitive seed-plants 
SN  - 0090771524
U1  - 585 
PY  - 1965///
CY  - London
PB  - Hutchinson University  
KW  - PLANT MORPHOLOGY
KW  - PLANT SCIENCE
KW  - BOTANY
KW  - GYMNOSPERMS
ER  -