00666     2200193   4500001002100000008004100021035002000062245013100082100002200213260003400235300005100269084001700320520006900337082001300406650001100419650001100430650001700441990001400458INLIS000000000024281                                   Ind    a0010-1218006119  aAutoflourescence of fossil pollen and spores with special reference to age determination and coalificationcGIJZEL, Pieter van  aPieter van Gijzel  aLeidenbJ.J. Groen Zoonc1928  a317 p. : ill. ; 29 cm.c317 p. : ill. ; 29 cm.  a561.2/.3GIJa  aThesis(Doctor)-Universiteit te Leiden, 1928.-- Bibl.: p. 314-317  a561.2/.3  aPOLLEN  aSPORES  aFLOURESCENCE  amfn-26136