no. 2
Vanishing theorems for twistor spaces
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 2, pp. 183-205. 
@article{ASNSP_1992_4_19_2_183_0,
     author = {Nannicini, Antonella},
     title = {Vanishing theorems for twistor spaces},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {183--205},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 19},
     number = {2},
     year = {1992},
     zbl = {0778.53050},
     mrnumber = {1197211},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1992_4_19_2_183_0/}
}
Nannicini, Antonella. Vanishing theorems for twistor spaces. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 2, pp. 183-205. http://archive.numdam.org/item/ASNSP_1992_4_19_2_183_0/

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