Agronomy in today`s society - J.W. Pendleton; Matthias Stelly David M. Kral Judith H. Nauseef (Madison American Society of Agronomy, 1978)
J.W. Pendleton; Matthias Stelly; David M. Kral & Judith H. Nauseef: Agronomy in today`s society. Madison. American Society of Agronomy, 1978. 0-89118-053-2--(630.6PEN)
ENGLISH