@book{15981,
	author = {F. R. S. , T. H. Huxley},
	title = {The Crayfish:},
	publisher = {D. Appleton and Company,},
	year = {1901.},
	address = {New York:},
	note = {Include index.},
	url = {https://books.google.com.bd/books?id=leUaAAAAYAAJ&printsec=frontcover&dq=the+crayfish+an+introduction+to+the+study+of+zoology&hl=en&sa=X&redir_esc=y#v=onepage&q=the%20crayfish%20an%20introduction%20to%20the%20study%20of%20zoology&f=false}
}