00298nam a2200109Ia 450000500170000000800410001708200160005810000190007424500390009326000480013230000080018020260224041034.0260224s9999||||xx |||||||||||||| ||und||  a631.522 BRO  aBrown, A.H.D.  4aThe use of plant genetic resources  aNew York: Cambridge: University Pressc1989  a382