00338nam a2200097Ia 4500008004100000082002600041100001600067245011300083260003600196300000800232140113s9999    xx            000 0 und d  a633 .002.2(252)  L2.2  a"Arnon, I."  aCrop production in dry regions. Vol.2 :Systematic treatment of the principal crops.(Plant science monograph)  a1972bLeonard Hill Ltd.cLondon  a683