Title: The Ex Situ Conservation of Plant Genetic Resources / Edition 1, Author: J.G. Hawkes
Title: The Diversity of Crop Plants, Author: J G Hawkes
Title: Plant Genetic Conservation: The in situ approach, Author: Nigel Maxted
Title: The Ex Situ Conservation of Plant Genetic Resources, Author: J.G. Hawkes
Title: Plant Genetic Conservation: The in situ approach / Edition 1, Author: Nigel Maxted