CHRYSOPHYTE CYSTS AS POTENTIAL ENVIRONMENTAL INDICATORS = KYSTES DE CHRYSOPHYTES: DES INDICATEURS POTENTIELS DE MILIEUADAM DAVID P; MAHOOD ALBERT D.1981; GEOL. SOC. AM. BULL.; ISSN 0016-7606; USA; DA. 1981-11; VOL. 92; NO 11; PP. I 839-I 844; BIBL. 38 REF.; ILL.Article

SCANNING ELECTRON MICROGRAPHS OF CHRYSOMONAD CYSTS FROM LAKE ALOHA, EL DORADO COUNTY, CALIFORNIA = MICROGRAPHES ELECTRONIQUES A BALAYAGE DE KYSTES DE CHRYSOMONADES DU LAC ALOHA, COMTE EL DORADO, CALIFORNIEADAM DAVID P; MAHOOD ALBERT D.1981; OPEN-FILE REP. (U. S. GEOL. SURV. 1978); ISSN 0196-1497; USA; DA. 1981; NO 81-0045; 15; BIBL. 15 REF.; 3 PLANCH. ; ILL.Serial Issue