@book {1522,
	title = {Twins : genes, environment and the mystery of human identity},
	year = {1997},
	note = {1947Lawrence Wright23 cm},
	pages = {vi, 175 p},
	publisher = {Weidenfeld \& Nicolson},
	organization = {Weidenfeld \& Nicolson},
	address = {London},
	keywords = {Genes, Nature and nurture, Twins},
	isbn = {0297819763},
	author = {Wright, Lawrence}
}
