EnVision: a publication for parents and educators of children with impaired vision
New York, Lighthouse International, 200228 cm.
((Consistenza: vol. 1(1993), n. 2, vol. 4(1996), n. 1; vol. 7(2002), n. 1 - 7(2003), n. 4Lacunoso
Lighthouse International, New York
RIV12/C