TY - BOOK AU - Shagufta, Suri Salini, Narang, R.K. TI - International encyclopaedia of agricultural engineering (set of 7 volumes): Biofertilizer technology SN - 9.7893313174e+012 U1 - 630.031 23 PY - 2012/// CY - New Delhi PB - APH Publishing corporation ER -