TY  - BOOK
AU  - Hoekstra,F.A.
AU  - Bruinsma,Johan
TI  - Reduced Independence of the Male Gametophyte in Angiosperm Evolution
UR  - https://drive.google.com/file/d/1hkK_IWdwfjw9GPIA3aJmQHseZDErm6RT/view?usp=drivesdk
ER  -