TY - BOOK AU - Fredrick Deforest Heald TI - Introduction to plant pathology. Ed 2 U1 - 632.3 PY - 1943/// CY - New York PB - Mc Graw Hill Book Co Inc N1 - Fredrick Deforest Heald: Introduction to plant pathology. Ed 2. (2nd Ed) New York. Mc Graw Hill Book Co Inc, 1943.--(632.3HEA) ER -