@article{articleeaf18994,
title   = {Bud formation and embryo differentiation in vitro cultures of Petunia},
author = {Rao, P. S. and Handro, Walter and Harada, H},
year = {1973},
doi = {10.1016/s0044-328x(73)80156-4},
journal   = {Zeitschrift fur Pflanzenphysiologie}
}