@article {324554, title = {Potato Collect. Exped. Mexico \& S. Amer., 2, Syst. Classific. Collect. 55. 1944.}, year = {1944}, keywords = {Brahms}, author = {(Bukasov) Hawkes and Hawkes and Hawkes and Hawkes} } @article {321410, title = {Bull. Imp. Bur. Pl. Breed. Genet., Cambridge 35. 1944.}, year = {1944}, keywords = {Brahms}, author = {(Bukasov) Hawkes} }