TY - BOOK AU - Hauck,B. AU - Keenan,P.C. TI - Abundance Effects in Classification SN - 90-277-0674-3 PY - 1976/// CY - Dordrecht PB - Reidel Publishing Company KW - Astronomía N1 - Proceedings of the 72nd. International Astronomical Union held in Lausanne-Dorigny, Switzerland, on Julu 8-11, 1975 ER -