1964

1. STUDIES ON AIR-ION-ENHANCED IRON CHLOROSIS. I. ACTIVE AND RESIDUAL IRON
   A.P. Krueger, S. Kotaka and P.C. Andriese
   Int. J. Biometeor., 8: pp. 5-16 (1964).
2. THE EFFECT OF AIR CONTAINING O₂ -, O₂ +, CO₂ - AND CO₂ + ON THE GROWTH OF SEEDLINGS OF HORDEUM VULGARIS
   A.P. Krueger, S. Kotaka and P.C. Andriese
   Int. J. Biometeor., 8: pp. 17-25 (1964).
3. CATALASE ACTIVITY OF CRUDE ENZYME PREPARATION FROM IRON-CHLOROTIC BARLEY (HORDEUM VULGARIS) SEEDLINGS
   S. Kotaka, A.P. Krueger and P.C. Andriese
   Nature, 204: pp. 1198-1199 (1964).