TY - BOOK AU - Basant Rakesh AU - Subrahmamian K K TI - Agro-mechnical diffusion in a backward region SN - 1853390232 U1 - X9(J)0gF.236F.N8, N0 PY - 1990/// CY - London PB - Intermediate technology publications UK KW - Agriculture Industries N1 - Bib p 92-94; Appendix p 85-91 ER -