00664cam a22002297a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002100102111007600123245001600199260007200215300003000287490002900317650002300346700001900369830002900388852001700417CHAP20220329134813.0971013s1977 r 00010 d a26211 a27183 a31284 cCHAP a634.13bI58 197600aInternational Symposium on Pear Growingn(2 :d1976 :cFlorence, Italy) 0aProceedings aThe Hague :bInternational Society for Horticultural Science,c1977 a333 p.b: ilus. ; gráfs 0aActa Horticulturaev; 6914aPeraxCrecimiento.0 aScaramuzzi, F.0 aActa Horticulturaev; 69 2456276yISSUE