Author

GERHOLD, H.D.

Catalogue records by GERHOLD, H.D. in the PakCat Union Catalogue.

3 catalogue records

Catalogue records

Breeding pest pesistant tress GERHOLD, H.D. 1966 BREEDING PEST RESISTANT TREES GERHOLD, H.D. 1964 BREEDING PEST-RESISTANT TREES GERHOLD H.D. 1966