calif feb 1961

Calif.) Technical Conference on Wool Fabric Finishing (1961 Feb 9-10 Albany · U.S. Dept. of Agriculture, Agricultural Research Service, Western Utilization Research and Development Division

80 sayfa · 1961

Woolen and worsted finishing / Congresses

AAAS Conference on Science Teaching in the Elementary and Junior High Schools Berkeley, Calif. Feb. 1961. · Yayınevi bilinmiyor

26 sayfa · 1961

Congresses / Science / Study and teaching (Elementary) / Study and teaching (Secondary)