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- [3] DEMONSTRATION OF MYCOPLASMALIKE ORGANISMS IN PHLOEM OF TREES WITH PEAR DECLINE OR PROLIFERATION SYMPTOMS BY FLUORESCENCE MICROSCOPY PHYTOPATHOLOGISCHE ZEITSCHRIFT-JOURNAL OF PHYTOPATHOLOGY, 1976, 85 (04): : 368 - 372
- [9] PROBABLE COIDENTITY OF MORIA DISEASE OF PEAR TREES IN ITALY AND PEAR DECLINE IN NORTH AMERICA PLANT DISEASE REPORTER, 1961, 45 (12): : 912 - +