Della Valle, M. Et Al. 1997. Study of nova shells .2. FH Serentis 1970 and QU Vulpeculae 1984, nebular expansion, parallax and luminosity. ASTRONOMY & ASTROPHYSICS , vol.325, no.3 , 1151-1156.

Della Valle, M., Gilmozzi, R., Bianchini, A., & Esenoglu, H. H., (1997). Study of nova shells .2. FH Serentis 1970 and QU Vulpeculae 1984, nebular expansion, parallax and luminosity. ASTRONOMY & ASTROPHYSICS , vol.325, no.3, 1151-1156.

Della Valle, Massimo Et Al. "Study of nova shells .2. FH Serentis 1970 and QU Vulpeculae 1984, nebular expansion, parallax and luminosity," ASTRONOMY & ASTROPHYSICS , vol.325, no.3, 1151-1156, 1997

Della Valle, Massimo D. Et Al. "Study of nova shells .2. FH Serentis 1970 and QU Vulpeculae 1984, nebular expansion, parallax and luminosity." ASTRONOMY & ASTROPHYSICS , vol.325, no.3, pp.1151-1156, 1997

Della Valle, M. Et Al. (1997) . "Study of nova shells .2. FH Serentis 1970 and QU Vulpeculae 1984, nebular expansion, parallax and luminosity." ASTRONOMY & ASTROPHYSICS , vol.325, no.3, pp.1151-1156.

@article{article, author={Massimo Della Valle Et Al. }, title={Study of nova shells .2. FH Serentis 1970 and QU Vulpeculae 1984, nebular expansion, parallax and luminosity}, journal={ASTRONOMY & ASTROPHYSICS}, year=1997, pages={1151-1156} }