Kippley, Sheila.
Breastfeeding and natural child spacing: how "ecological" breastfeeding spaces babies /
Sheila K. Kippley ; drawings by Gigi Nealon 
. - Cincinnati : Couple to Couple League International, Inc.,  1989 
. - xi, 208 p.  ill.  23 cm. 
<br/>К.: Бібліогр. в підрядк. прим., Index 
<br/><label>  ISBN: </label>0-9601036-8-6