Studies in mother-infant interaction : proceedings of the Loch Lomond symposium, Ross Priory, University of Strathclyde, September, 1975 / edited by H. R. Schaffer. Schaffer, H. Rudolph. Infant psychology Congresses. BF723.I6 S69 1977 136.7352 SCS Includes bibliographies and index. New York : Academic, 1977. 1977. 1977 Text x, 478 p. : eng