00373nam a2200121Ia 4500008004100000082001500041100001800056245004200074260004000116300001000156630001800166650006700184211109s9999||||xx |||||||||||||| ||und||  a580bBEN-P  aBenson, Lyman 0aPlant Toxonomy:Methods and Principles  bJohn Wiley and SonsaNew Yorkc1978  a494p.  xgeneral stack  asciencevnatural science and mathematicsxplants(botany)Botany