Your child at play : birth to one year : discovering the senses and learning about world / Marilyn Segal ; forew. by Wendy Masi. - 2nd ed., updated a. rev.. - N.Y. : Newmarket Press, [1998]. - vii, 342 p. : ill. ; 23 cm.см.. - ISBN 1-55704-330-2[MFN: 31001]