TY  - BOOK
AU  - Berrie,A.M.M.
AU  - Parker,W.
AU  - Knights,B.A.
TI  - Studies on lettuce seed germination-I. Coumarian induced dormancy
UR  - https://drive.google.com/file/d/1UW-RcnGQ9a-k0AT3xNcVwSKwMKwf7Cqm/view?usp=drivesdk
ER  -