TY - JFULL ID - 14450345 TI - Porto Rico Agricultural Experiment Station Rio Piedras Bulletin AU - US Department of Agriculture ( USDA ) AU - University of Puerto Rico PY - 1911 PB - Washington, USA DB - UniCat KW - periodical UR - https://www.unicat.be/uniCat?func=search&query=sysid:14450345 AB - ER -