00756cam a22002651 4500 10312043 BD-DhUL 20141218131851.0 720223s1962 xx 000 0 eng 62011042 (OCoLC)248160 DLC OFiC DLC BD-DhUL premarc QK980 .C65 1962 581 CLS Clausen, Jens (Jens Christian), 1891- Stages in the evolution of plant species/ New York: Hafner Pub. Co., 1962. 206 p. illus.; 24 cm. Includes index. Plants Evolution. Evolution of plant species. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 22812 22812 0 0 ddc 0 581_000000000000000_CLS 0 NFIC 44048 DUSL DUSL GEN 2014-12-18 purchased 581 CLS A23061 2014-12-18 2014-12-18 BK