Elster, Charles Harrington. Tooth and nail : a novel approach to the new SAT / Charles Harrington Elster & Joseph Elliot. - San Diego : Harcourt Brace & Co., c1994. - xvi, 366 p. ; 21 cm. ISBN: 0156013827 LCCN: 93030958 LC Class. No.: LB2353.57 .H37 1994 / .E47 1994 Dewey Class. No.: 378.1/662