TY  - BOOK
AU  - Vithanage,H.I.M.
AU  - Knox,R.B.
TI  - Development and cytochemistry of stigma surface and response to self and foreign pollination in Helianthus annuus
UR  - https://drive.google.com/file/d/1SA-UFfaVoyKytO85W2gA8Rxmz3SOS9hE/view?usp=drivesdk
ER  -