TY - BOOK AU - Thomas, Vinoth TI - RRII 400 parampara rubberinangal: Roopaparamaya saviseshathakalum verthirichariyalum U1 - NR:633.912.11 PY - 2007/// CY - Kottayam PB - Rubber Research Institute of India KW - RRII clones KW - Rubber clones ER -