00756nam a2200217 a 450000100060000000300080000600500170001400800410003103500190007204000500009104100080014108200270014910000340017624500950021026000560030530000520036149000490041350400410046265000150050365000200051872937BD-RjUL20211209082327.0170525s1943    mauac    b    001 0 eng c  a(BD-RjUL)73155  aIowa State Coll. Libr./ICUcICUdBD-RjULbeng  aeng00a571.8452223bERI 19431 aErdtman, G.q(Gunnar),d1897-13aAn introduction to pollen analysis /cby G. Erdtman ... Foreword by Roger P. Wodehouse ...  aWaltham, Mass. :bChronica botanica company,c1943.  a2 p.l., [vii]-xv, [1], 239 p. :bill. ;c27 cm.  aA New series of plant science books ;vv. 12  a"References" at end of each chapter. 0aPalynology 0aPollen, Fossil.