TY - BOOK AU - Klausmeier Herbert J AU - Ripple Richard E TI - Learing and human abilities : Educational psycholo T2 - Harper International edition SN - 060436948 U1 - TobS, L1 PY - 1971/// CY - New York PB - Harper & Row U S A KW - Education N1 - Bib p. 763-91; Appendix p. 752-61 ER -