Yazar
Roy Massey
5 cilt bulundu.
Cilt sonuçları
Biology and taxonomy of nematode parasites and associates of bark beetles in the United States
Calvin Le Roy Massey · United States Department of Agriculture, Forest Service
233 sayfa · 1974
Parasites / Nematoda as biological pest control agents / Bark beetles / Biological control / Beetles
Dental roentgenology
Le Roy Massey Ennis · Lea & Febiger
398 sayfa · 1931
Teeth / X-rays in dentistry / Diseases / Radiography / Dental Radiography
Probe
Mary Massey Roy · Educational Service
279 sayfa · 1962
Science / Creative activities and seat work / Study and teaching (Elementary)
Spark
Mary Massey Roy · Educational Service Inc.
248 sayfa · 1965
Creative activities and seat work / Social sciences / Study and teaching (Elementary)