L.P. Lefkovitch books & textbook
A Numerical Taxonomic Analysis of Cannabis with Special Reference to Species Delimitation
Ernest Small Perry Y. Jui L.P. Lefkovitch
American Society for Testing and Materials /1976T Staple Bound / 18 Pages
A NEW SPECIES OF AFRICAN HECTARTHRUM NEWMAN (COLEOPTERA: PASSANDRIDAE) WITH NOTES AND KEYS
Proc Royal Entomol Soc Ldn, Series B /1963T Pamphlet
