Chemical preservation of plants and insects in natural resins

بواسطة Stankiewicz, B. A., Poinar, H. N., Briggs, D. E. G., Evershed, R. P., Poinar, G. O.
منشور في 1998

Bacillus DNA in fossil bees: an ancient symbiosis?

بواسطة Cano, R J, Borucki, M K, Higby-Schweitzer, M, Poinar, H N, Poinar, G O, Pollard, K J
منشور في 1994