TY - BOOK AU - American Society of Agronomy Department TI - Current concepts for agronomic education U1 - 630.7 PY - 1968/// CY - USA PB - American Society of Agronomy Department N1 - American Society of Agronomy Department: Current concepts for agronomic education. USA. American Society of Agronomy Department, 1968.--(630.7AME) ER -