TY - BOOK AU - Chrispeels,Maarten J. AU - Sadava,David E. TI - Plants, genes, and agriculture SN - 0867208716 U1 - 363.8 23 PY - 1994/// CY - Boston PB - Jones and Bartlett Publishers KW - Food supply KW - Plant breeding KW - Crop improvement N1 - Includes index ER -