TY  - BOOK
AU  - Dulieu,H.L.
TI  - Pollination of excised ovaries and culture of ovules of Nicotiana tabacum L
UR  - https://drive.google.com/file/d/1zDxXaEX1N-gecHtcWa7dMNU3FkA4QG7Z/view?usp=drivesdk
ER  -